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Question 344669: it required 75 men 38 days to build a flood control dike. if 18 less men were employed, how longer would it have taken to build the dike? show the solution.
Click here to see answer by vleith(2983)

Question 344668: it required 75 men 38 days to build a flood control dike. if 18 less men were employed, how much longer would it have taken to build the dike? show the solution.
Click here to see answer by Fombitz(32388)

Question 345811: A scientist wants to know how many fish are in a pond. He captures 15 and tags them and re-releases back into the pond. The next day he captures 15 more fish. Two of these have tags. How many fish are in the pond?
I have 4 answers to choose from, but do not know how to set up the problem in order to get the answer. Thanks
Click here to see answer by checkley77(12844)

Question 345863: consider the proportion of a:b:c = 3:1:5 what is the value of:
2a + 3b / 4b + 3c

i don't understand the question
Click here to see answer by Fombitz(32388)

Question 345857: How many grams of sugar must be added to 60 grams of a solution that is 32% sugar to obtain a solution that is 50% sugar?
Click here to see answer by Fombitz(32388)

Question 346251: solve the proportion for x 15/x =6/4
Click here to see answer by ewatrrr(24785)

Question 346251: solve the proportion for x 15/x =6/4
Click here to see answer by user_dude2008(1862)

Question 346317: how do you write 22% in a fraction ?
Click here to see answer by nevershoutalgebra(1)

Question 346940: A school club is having a tamale sale and the total number of students in the school is 1600. One day during lunch in an effort to figure out how many tamales to make they did a survey and out of 80 students asked 15 said that they would definitly buy a tamale. How many tamales should the club expect to sell?

Click here to see answer by haileytucki(390)

Question 347176: In a certain southern state, sales tax on a purchase of 1.50 is 0.12. What is the sales tax on a purchase of 6.00?
Click here to see answer by rfer(16322)

Question 347412: I cant figure out the proportion for: How many minutes are equal to 2 1/3 hours? I'm stuck on how to turn fractions into whole numbers, unfortunately.
Click here to see answer by josmiceli(19441)

Question 347636: (3/4-2/3)+(1/2+1/3) I don't understand how to do this one?
Click here to see answer by stanbon(75887)

Question 347328: Train A is traveling at 40mph, and train B at 50mph. If they are on a parallel track, and A passes the station at 1:20, and B passes same station at 1:32, what time will be catch up to train A?
Click here to see answer by scott8148(6628)

Question 347842: given that a:b=3:1 and b:c=2:3,find the ratio of a:c?

Click here to see answer by jim_thompson5910(35256)

Question 347922: A mechanic can install carburetors in 3 cars every 4 hours. At that rate, how long will it take the mechanic to install carburetors in 5 cars?

Click here to see answer by checkley77(12844)

Question 348287: 2 and 1 half over 3 and 1 third = Y over 4 and 1 fourth. What is Y?
Click here to see answer by checkley77(12844)

Question 348290: The nutrition information on the cereal box says that a 1/3 cup serving provides 140 calories and 6 grams of fiber. At that rate find how many calories and grams of fiber are in 1/2 cup serving..
Calories??
Fiber??
Click here to see answer by stanbon(75887)

Question 348314: 1300/35 divided by 37/6 = ??

Click here to see answer by checkley77(12844)

Question 348388: Carla runs 4 miles every day. she jobs from home to the school track, which is 3/4 mile away. she then runs laps around the 1/4 mile track. carla then jobs home. how many laps does she run at the school?
Click here to see answer by checkley77(12844)

Question 348618: 24/40=t/30
Click here to see answer by Fombitz(32388)

Question 348628: ((1)/(5)-x):x=(1)/(3):(1)/(6)
Click here to see answer by Fombitz(32388)

Question 348628: ((1)/(5)-x):x=(1)/(3):(1)/(6)
Click here to see answer by ewatrrr(24785)

Question 348662: (3+x):8=x:(1)/(2)
Click here to see answer by ewatrrr(24785)

Question 348660: ((2)/(3)+x):x=(5)/(2):(5)/(3)
Click here to see answer by ewatrrr(24785)

Question 348757: Rick earns $500 less than 3 times as much as Jim. If their combined salary is $49,500, how much do they each earn?
Click here to see answer by checkley77(12844)

Question 349019: In the proportion 5/h-k/14, what happens to the value of h as the value of k increases....please explain....Thanks
Click here to see answer by jim_thompson5910(35256)

Question 349603: How much water should be added to 64 ounces of a 10% salt solution to make a 2% salt solution?
Click here to see answer by Fombitz(32388)

Question 349822: how do i express the rate in miles per hour?
Click here to see answer by Alan3354(69443)

Question 349913: can you tell me how to do x+3/4=7/8 step by step please
Click here to see answer by JBarnum(2146)

Question 349984: Solve this proportion:
6/2x = 5/x+8
Click here to see answer by jim_thompson5910(35256)

Question 349987: A saltwater solution is made by dissolving 3 pounds of salt in 10 gallons of water. At this rate, how many pounds of salt are needed for 25 gallons of water.
Click here to see answer by mananth(16946)

Question 350002: The ratio of male students to female students at a certain university is 5 to 4. If there is a total of 6975 students, find the number of male students and the number of female students.
Click here to see answer by mananth(16946)

Question 350020: If Soc can paint 100 easter eggs in 165 minutes and Ngu can paint 100 easter eggs in 205 minutes and Fawn can paint 100 easter eggs in 120 minutes how long will it take for the three of them working together to paint 100 easter eggs ?
Click here to see answer by mananth(16946)

Question 350004: 2X2+1+XY+X2+2XY+5
Click here to see answer by Fombitz(32388)

Question 350188: Solve each proportion and then check.
x+10/x-6= x/x+4
HELP ME PLEASE!! :)
Click here to see answer by edjones(8007)

Question 350203: For most flying creatures, the length of thewing varies inversely as the number of wingbeats per second. A dragonfly has a winglength of 1.6 inches and a wingspeed of 45 times per second. If a bee has a wingspeed of 200 beats per second, what is the lenghth of a bee's wing? (Simply work the problem through; you do not need a 5-step solution.)
HELP! I don't know what to do!! Please!!
Click here to see answer by Fombitz(32388)

Question 350183: Solve each proportion and then check.
x/12-x = 5/15
Help me please, I am so stuck!
Click here to see answer by Fombitz(32388)

Question 350640: Jellyfish are 19/20 water. If you have a 300 pound jellyfish (and yes, some do grow to be that big!) what is the weight of the water it contains? (Show ALL your work, but you do not need a 5 step solution.)
HELP me me please!!!!!!!!
Click here to see answer by nerdybill(7384)

Question 350887: If jim can run 100m in 13.4 sec. and bill can run 100m in 14.1 sec. How much head start would bill need to finish at the same time? I know ther answer, but need to write it out in an equation.
Click here to see answer by ankor@dixie-net.com(22740)

Question 351064: I am horrible at math, How do you find proportions and ratios?
Click here to see answer by mananth(16946)

Question 351768: In a chemistry class, 3 liters of 4% silver iodide solution must be mixed with 10% solution to get a 6% soluction. How many liters of the 10% solution are needed?
Click here to see answer by Fombitz(32388)

Question 351766: A car traveling 62 miles per hour passes a bus traveling 55 miles in the same direction on the highway. If they maintain their speeds,how long will it take them to 10 miles apart.
Click here to see answer by checkley77(12844)

Question 351990: Im not sure how to do proportions but if you can show me some work or somethin that will make me understand i will appreciate it this is one of the questions....3 over z= 1 over 8
Click here to see answer by rfer(16322)

Question 352068: On a map, 1/3 inch equals 15 miles. The distance between two towns on a map is 3 2/3 inches. How many miles are actually between the two towns?
Click here to see answer by mananth(16946)

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