Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 941201: please help, it is substitution: Last year you mowed grass and shoveled snow for 12 households.You earned $225 for mowing lawn last year and you earned $200 for shoveling snow. You earned a total of $2600 last year. How many households did you mow for? How many households did you shovel?
Click here to see answer by ankor@dixie-net.com(22740)   |
Question 941532: Samantha spent a total of $420 for daily expenses during her vacation in Mexico. She noted that if she spent $7 less per day, she could have stayed for another 5 days. The number of days she actually spent on her vacation is:
Click here to see answer by stanbon(75887) |
Question 941583: After their shopping trip mike spent 3/5 of his money.Eve spent 1/2 of hers and sue spent $50 they then had the same amount of money left.if the total amount lefr was $54 what was the total amount mike and sue had at first.
Click here to see answer by macston(5194)  |
Question 941763: Suppose the flavor of gum you are chewing can have a rating from 0 to 1, where 0 = no flavor at all and 1 = the best possible flavor (that is, when you first start to chew it).
Now assume that the gum company announces in the advertising that the flavor has a half-life of 45 minutes.
If you have been chewing on this particular flavor of gum for a total of 65 minutes, what would be the fraction of the original flavor rating?
(Round to the nearest hundredth.)
Click here to see answer by josgarithmetic(39613) |
Question 941770: a busload of campers stopped at a dairy stand for ice cream. They ordered 90 cones, some soft-serve at $1.25 each and the rest hard-pack at $1.00 each. If the total bill was $99.25, how many of each type of cone were ordered?
Click here to see answer by macston(5194) |
Question 941762: Consider that the half-life of Polonium-210 is 140 days.
10. What approximate daily percentage of decay does Polonium-210 demonstrate?
% (Round to two decimals.)
(Hint: use the Rule of 70 backwards by dividing by the half-life period instead of the rate.)
11. What percentage of the original amount of Polonium-210 would be left after 525 days of decay?
% (Round to two decimals.)
Click here to see answer by josgarithmetic(39613) |
Question 941759: In 2013 the membership for The Church of Jesus Christ of Latter-day Saints reached 14,780,000 members.
In 1990 the membership for The Church of Jesus Christ of Latter-day Saints was 7,300,000 members.
Letting t = 0 represent the year 2013 and assuming the church membership continues to double about every 23 years, predict church membership in year 2075.
(Round to the nearest whole number and do not use commas.)
Click here to see answer by 428225(90)  |
Question 941759: In 2013 the membership for The Church of Jesus Christ of Latter-day Saints reached 14,780,000 members.
In 1990 the membership for The Church of Jesus Christ of Latter-day Saints was 7,300,000 members.
Letting t = 0 represent the year 2013 and assuming the church membership continues to double about every 23 years, predict church membership in year 2075.
(Round to the nearest whole number and do not use commas.)
Click here to see answer by Alan3354(69443)  |
Question 941836: Hi
two numbers on a piece of paper.1/5 of the first number is 12 more than 1/2 of the second number,
the sum of the two numbers is 221.
a) what is the first number
b) what is the second number.
thanking you
Click here to see answer by 428225(90) |
Question 941894: A student has an average score of 88 in her math class. This is the average of her first five math tests. What must she score on the sixth test in order to have a mean score of 90?
Am I close in how to solve this? I know I am missing something but not sure what?
90*6=540
88*5=440
subtract and you get 100. Would that be her needed score????
Thank you
Click here to see answer by srinivas.g(540)  |
Question 594767: 1. Transylvania is inhabited by humans, vampires, and werewolves. You cannot tell simply by looking at someone what he or she is. However, humans always tell the truth, vampires always lie, and werewolves sometimes tell the truth and sometimes lie.
In addition, some inhabitants are quite insane and think all true statements are false and all false statements are true. The other inhabitants are sane and correctly distinguish between true and false statements.
So, in Transylvania a false statement could be made out of malice or simply out of honest delusion. For example, a sane human knows the earth is (approximately) round and says so, while an insane vampire believes the earth is not round so will lie and say that the earth is round.
Suppose a Transylvanian named Lucy claims to be human. What do you know about Lucy?
Answer
She is human.
She is a vampire.
She is sane.
She is insane.
Click here to see answer by ajm360(2) |
Question 913440: Transylvania is inhabited by humans, vampires, and werewolves. You cannot tell simply by looking at someone what he or she is. However, humans always tell the truth, vampires always lie, and werewolves sometimes tell the truth and sometimes lie.
In addition, some inhabitants are quite insane and think all true statements are false and all false statements are true. The other inhabitants are sane and correctly distinguish between true and false statements.
So, in Transylvania a false statement could be made out of malice or simply out of honest delusion. For example, a sane human knows the earth is (approximately) round and says so, while an insane vampire believes the earth is not round so will lie and say that the earth is round.
So now we know about the vampires, humans, and werewolves in Transylvania. But there are also trolls. Of course, trolls look exactly like everyone else so you cannot tell by looking what someone is. Like werewolves, trolls both tell the truth and lie. However, a troll alternates between truth and lies. That is, when a new conversation begins, a troll may either tell the truth or lie, but then the truth of each following statement alternates.
A human, a vampire, and a troll come up to you. All three are sane. You ask what they are and one of them says, “I am a vampire. The lady is human. The other one is a troll. Neither of them is a goblin”
Is the speaker human, a vampire, a goblin, or a troll?
Click here to see answer by ajm360(2) |
Question 941994: If the distance from your friend's house to the nearest playground is 7 football fields and you know that you can cycle an average of 3 football fields per hour, how many minutes would it take to cycle from your friend's house to the nearest playground if you cycle at average speed?
Click here to see answer by josmiceli(19441)  |
Question 942201: The cab charges in a metro city include a fixed charge plus the charges for the distance covered. Jane traveled 10 miles and paid $75. For the ride of 15 miles, she paid $110. How much did Jane pay to travel 25 miles?
Click here to see answer by josmiceli(19441) |
Question 942217: A couple does not wish to spend more than $70 for dinner at a restaurant. If a sales tax of 5% is added to the bill and they plan to tip 20% after the tax has been added, what is the most they can spend for the meal?
Click here to see answer by rfer(16322) |
Question 942145: Greg had some pens.2/5 of the pens were blue and 1/6 of the remainder were black.the rest were red and green.there were 12 more red pens than blue pens.if there were 24 green pens,
how many red and blue pens did greg have
how many pens did greg have altogether
thank you
Click here to see answer by josmiceli(19441) |
Question 942374: Make a 4-by-4 logic grid on your own paper. Use it to help you solve the logic puzzle and answer the question given below.
Alex, Jean, Pat, and Tommie do not have cars. Each has a different way of getting around town (bike, bus, roller blades, and walking).
Alex and Jean do not know how to roller blade.
The bus does not come by where Tommie lives.
Jean does not like to bike or take the bus.
Alex does not ride the bus.
Who uses roller blades to get around town?
A. Alex
B. Jean
C. Tommie
D. Pat
Click here to see answer by MathLover1(20849)  |
Question 942527: When tickets for a rock concert cost $12, the average attendance was 500 people. Projections showed that for each $1 increase in ticket prices, 50 less people would attend. At what ticket price would the receipts be $5600
Click here to see answer by TimothyLamb(4379)  |
Question 942751: What larger conclusion can you reach by stringing together the sentences given below?
If Henry goes to the library, he reads a book.
If Henry reads a book, he becomes smarter.
If Henry becomes smarter, he becomes happier.
If Henry becomes happier, the world is a better place.
A. If Henry goes to the library, the world is a better place.
B. If Henry goes to the library, he looks for books on tape.
C. If the world is a better place, Henry goes to the library.
D. If the world is a better place, Henry becomes smarter.
Click here to see answer by macston(5194) |
Question 942750: What larger conclusion can you reach by stringing together the sentences given below?
If Henry goes to the library, he reads a book.
If Henry reads a book, he becomes smarter.
If Henry becomes smarter, he becomes happier.
If Henry becomes happier, the world is a better place.
A. If Henry goes to the library, the world is a better place.
B. If Henry goes to the library, he looks for books on tape.
C. If the world is a better place, Henry goes to the library.
D. If the world is a better place, Henry becomes smarter.
Click here to see answer by richard1234(7193)  |
Question 943095: Make a 3-by-3 logic grid on your own paper. Use it to help you solve the logic puzzle and answer the question given below.
Tina, Jewel, and Amy have three different pets (dog, goldfish, and ferret).
Tina is allergic to dogs.
Jewel does not have the ferret.
The dog belongs to Amy.
Who owns the ferret?
A. Jewel
B. Tina
C. Amy
Click here to see answer by richard1234(7193) |
Question 943262: A phone company charges $30 per month for 500 minutes. For every minute after the 500, you have to pay an additional fee of $.10 per minute. If you use 632 minutes, what would your total bill be? Show the equation and your steps to how you obtained your solution.
Click here to see answer by TimothyLamb(4379) |
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