Questions on Word Problems: Unit Conversion answered by real tutors!

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The formula F=9/5c+32 can be used to convert Celsius temperatures to Fahrenheit temperature. For what Celsius temperatures is the Fahrenheit temperature below 60ºF?
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If you mean -60ºF, that's -51.1111...C
If you mean what is less than 60F in C, that's less than 15.5555... ºC

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1/25=(35/8)/x
x=25*35/8
x=875/8
x=109.375 ft. tall.

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6 g/cm^3 is how much in lbs/ ft^3

1 gram = 0.002 lbs
6gm=0.012 lb
1 centimeter = 0.033 feet
1cm^3=(0.033)^3=0.00004 ft^3
So, 6gm/cm^3=0.012lb/0.00004ft^3= (0.012/0.00004) lb/ft^3=300lb/ft^3----WoW!!!!
CHECK MY MATH

Hope this helps---ptaylor

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"weight of contents" = "filled weight" - "empty weight"
.
"weight of contents" = 87 - 62
"weight of contents" = 25 g
.
To find the volume:
25 grams * (1 cm^3)/(1 gram)
Notice: the "grams" cancel leaving
25 cm^3 (volume of container)

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One liter, a volume of a cube with sides of
length 10 cm equal what?
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What?
Anyway, 10x10x10 = 1000 cc which is one liter.
1 liter = 1000 cc (cubic centimeter) = 1000 ml (milliliter)

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10.048 mV/PSI to mV/pa:

, ANSWER
Thank you,
Jojo

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290feet in feet & inches???
Well,
, is that okay?
thank you,
Jojo

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8*12=96"
18/96=3/16 scale should do it.
.
Ed

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Understanding this problem will help you solve numerous real-life problems.
.
18/24 is the rate for 2 people.
So find the rate for 1 person by dividing by 2
so you get 18/48 which reduces to 3/8
this is the rate of cats/minute fed by each person so multiply this by 3 people since that is how many people are now working to feed the cats.
You get 9 cats fed every 8 minutes.
.
Now set up the equation to make the conversion:
.

cross multiply and then reduce
9x=18*8
x=16 minutes

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It took Karla & her helper 24 minutes to feed 18 cats. Working at the same rate, how long should it take Karla and 2 helpers to feed the 18 cats?
:
Treat this like a man-hour problem (girl-minutes in this case)
:
The feeding of the 18 cats required 2*24 = 48 girl-minutes
:
Let x = no. of minutes required, with three working
:
3x = 48
x =
x = 16 min with 3 girls
:
;
Check 16 * 3 = 48 girl-minutes, the completed job requirement
:

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1K is 1000 bytes
1M is 1,000,000 bytes
1G is 1,000,000,000 bytes
.
That means 1gigabytes represents:
1,000,000,000 sheets
.
2 inches per 500 sheets
.
1000000000 * 2/500 = 4,000,000 inches
.
4,000,000 * 1/12 = 333,333.333 feet

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5/10=X/(25*10)
10X=5(250)
10X=1,250
X=1250/10
X=125 LBS. OF CEMENT WILL BE NEEDED.

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Heidi said that 6 billion can represent the area of a square. about how many units long is the square? how do you know?
The area of a square is L*L (since L=W); A=L*L or L^2
So, L^2=6,000,000,000 now we take the square root of both sides
L=about 77,460 units (this is the square root of 6000000000)
Hope this helps---ptaylor

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1000mg=1gram
0.947mg/1000mg/gm=.000947gm =9.47X10-4gm
1000g=1kg .000947gm/1000g/kg=0.000000947kg=9.47X10-7kg

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How many Acetaminophen grain 5 is needed anyway? Or how much mg is required? Sorry, I think it just make sense to ask these things. Without those things, how can you prescribed how much tabs will you give knowing the capacity -300mg(unless somebody is a doctor for the tutors)
thank you,
jojo

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1 oz=29.57ml
29.57/2=14.79 ml per dose.
.
Ed

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The total amount of K-Lor needed is 60mEq. In order to find out how many packets of 20mEq K-Lor you need you need to divide 60mEq/20mEq/packet=3 packets needed.

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Hi, Hope I can help,
.
Determine the value of "a" so that the line through (5,8) and (a,6) has a slope of
.
First we have to know what the slope is. The slope is how steep the line is. It is the slant of the line
.
These lines have negative slopes
.

.
As you can see, a slope that is negative means, the line (from left to right) is going down
.
Here are some lines with positive slopes
.

.
As you can see a slope that is positive, means the line(from left to right) is going up
.
Now that you know a little about slopes lets do the problem
.
Determine the value of "a" so that the line through (5,8) and (a,6) has a slope of
.
The slope is negative, so the line is going down(from left to right)
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Here is one way to solve this kind of problem
.

.
If the point is (2,4) find a point (6,c) if the slope is
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The slope is negative, so the line is going down.
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The slope is , or
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Since the slope is negative, ,
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A slope of means you go down "7" and over to the right "4" times
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If we do that, we will get our point
.

.
The point is (6,-3)
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There is yet another way to solve this kind of problem
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Determine the value of "a" so that the line through (5,8) and (a,6) has a slope of
.
We use the slope equation =
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(ex. slope of (1,2)(x1,y1) and (2,4)(x2,y2), equation =
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Replace the variables
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= = , these two lines have slope of "2"
.
we can do the same for our problem
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Determine the value of "a" so that the line through (5,8)(x1,y1) and (a,6)(x2,y2) has a slope of
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Replace the variables in the equation = = = , we already know the slope, this equation we have =
.
Our equation = , now just solve for "a"
.

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We will use cross multiplication
.
= = =
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Using distribution
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= = = ( since the "5" is negative, it will make a positive "15" since the "3" is negative too)
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We will move "15" to the left side
.
= =
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We will multiply each side by (-1)
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= = = , divide each side by "3" to get our "a"
.
= =
.
We can check by replacing "a" with in our equation
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= = = = = = (True)
.
a =
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We found our point, if our point was (a,6), just replace "a" with , our point is (,6)
.
Here are the two points

.
Now draw a line through these points, this line has a slope of
.

.
The line equation = (slope -intercept form), or (standard form)
.
The point you were looking for is (,6)
.
Your answer is (,6)
.
Hope I helped, Levi

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To determine the slope of the line M= y2-y1/x2-x1
(6-8)/(a-5)=-3/4
Cross multiply
4(-2)=-3a + 15
-8=-3a + 15
add 8 to both sides
0=-3a + 23
Add 3a to both sides
3a=23
divide both sides by 3
a=23/3
Plug in to check answer
I found the common denominator for the y values as 3
5X3=15
(6-8)/(23-15/3)=-2/8/3=-3/4
-2*inverse od 8/3 =-2*(3/8) simplfy the equation.

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The formula for slope is,

Let's substitute,

Cross multiplying,

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You would divide the unit dose you need by the units of drug available/mL
7500 units ordered/1000unit/mL= 7.5mLs to be given.

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The physician order regular insulin 0.1 units per kilogram intravenous bolus stat (immediately). The child weighs 18 kilograms. How many units will you administer?
:
If there must be .1/kg, wouldn't it just be:
18 * .1 = 1.8 units??

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Remember:


Thank you,
Jojo

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V = s^3
V = 4.50*4.50*4.50
V = 91.125 cubic cm

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.
Consider: "15 mg of Balcofen t.i.d.(three times a day)"
This mean each day the patient will need:
15mg * 5 = 45 mg
.
Then, if the patient needs the above for 4 days:
4 * 45 = 180 mg
.
Finally, since the "medication is available in 10 mg tablets":
180/10 = 18 tablets

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Convert all of the volume measures to a common unit, milliliters.
Then compare the difference.
.
.
First off, 2 cups, 16 oz, and 1 pint are all equivalent measures.
So you only need to do one conversion.
1 cup = 236.6 ml
2 cups = 16 oz = 1 pint = 473.2 ml
.
.
.
Total fluid in = 473.2+473.2+473.2=1419.6 ml=1420 ml
Total fluid out = 1000 ml
Difference = 1420-1000=420 ml

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0.816gal =3.08856____L =_3088.56_______mL __=__3088.56____cm^3
Remember:



Thank you,
Jojo

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7.15 L ________mL ________qt ________gal
Remember:



1. --> equals
---> equals

Thank you,
Jojo

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119mL ________cm^3 ________L ________qt
Remember:

see. www.onlineconversion.com
Thank you,
Jojo

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Note that
1 lb = 454g
1 ft = 30.48cm
So
1 g =
1 cm =
********************************

=
=
=
=
=

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The best way to reson this out is to think in terms of
the units involved
(1.60 / crate)
(.20 / pound of oranges)
(3 oranges / pound of oranges)
(oranges/crate) = (3 oranges/pound)x( 1 pound/$.20)x($1.60/crate)
Notice there is a (pound) on the top and a (pound) on the bottom
which cancel and $ on top and $ on the bottom
you're left with (oranges/crate)
oranges/crate answer
check:
There are oranges per pound. That means pounds/crate
(.20/pound of oranges)x(8 pounds/crate) = 1.60 / crate
OK

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1.60/(.20/3)
1.60*(3/.20
(1.60*3)/.20
4.80/.20
240 oranges in the crate.

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F=47.9 cm.
h=61.412 + 2.317F
h=61.412+2.31*47.9
h=61.412+110.649
h=172.061 cm. is her height.

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Remember: 1 US gallon = 128 ounces(oz), see www.onlineconversion.com
But you have 4 gallons: , total volume of juice
You take out of juice, so the remaining will be:
=88.28% remaining out of the total 512 0z
OR, in 1 gal=128 ounces:
=53.125% remaining in 1 gallon
Thank you,
Jojo

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750,000/49=15,306.122 people per acre.

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Make up your own problem to calculate the amount of money that you would spend on cigarettes if you started smoking in high school and continued until your death.
:
You will need to make some assumptions about length of life. Assume 1 pack of cigarettes is $4.00." There is a conversion chart that shows 1 day equals 2 packages, I assume it is for this problem, 2 packs a day?
:
Assume a healthy smoker will probably make it 60, (from my observations)
Assume he started smoking seriously at 18, he smoked 2 packs a day for 42 years
:
Lifetime cost = (4*2) * 365 * 42 = $122,640.00

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Remember:

Thank you,
Jojo

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I am working on unit conversions for a nrsing test and used previous questions from your website. I was unaware that 1ft= 30.48 cm., so it took me a bit longer to solve the problem. 18.4 ft= 12in.= 2.54cm.= 1m. = 560.832m.
1 1ft. 1in. 100cm. 100
answer-5.61
I'm never sure which place value to round to. I'm uncertain
about setting up problems in terms of which unit goes on top/bottom. And with this particular problem, I knew that 12 inches=1 ft, but I initally tried using the the conversion 36 inches=3ft, which didn't work. How do you know which conversion factor to use? Thanks for your help! MW
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The best way to keep track of units is to include them in the calcuations. For example, 3.2 ft = 3.2 ft * 30.48 cm/ft. You can see that there is a foot in the NUM and the DEN, so it cancels, and you get 97.536 cm.
To find the number of seconds in a year, it's
1 yr * 365 days/yr * 24 hr/day * 60 min/hr * 60 sec/min
= 365*24*60*60 (day*hr*min*sec)/(yr*day*hr*min)
= 31,536,000 sec/yr - All units except sec and year cancel, and you can see that they're in the right place.

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let x= length
and y=width
then 2(x+y)=210
and x=2y
then
2(2y+y)=210
then
6y=210 then y =35 and x=70

Answer: length=70 m and width=35 m

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c = 5.25 + 4.25H Substitute H = 3 for 3 hours of baby-sitting.
c = 5.25 + 4.25(3)
c = 5.25 + 12.75
c = 18
Jonathan should pay $18.00

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Remember:

So,


Thank you,
Jojo

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Remember:

So,


Thank you,
Jojo

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Check "units" please.


There's unit ?? ---> Pressure?
If so,

: To be exact = 0.98atm
see www.onlineconversion.com/pressure
Thank you,
Jojo

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103 L = ___ gal
Remember:

So,


Thank you,
Jojo

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Note that
1 ft = 30.48 cm = 0.3048 m
So 18.4 ft = 18.4*0.3048 m = 5.61 m