Questions on Word Problems: Rate of work, PAINTING, Pool Filling answered by real tutors!

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Question 1089241: On Monday, Alberta picked the strawberry patch, and Ernie sold the berries. On Tuesday, Ernie picked and Alberta sold, but it took him 2 hours longer to get the berries picked than it took Alberta. On Wednesday they worked together and got all of the berries picked in 5 hours. How long did it take Ernie to pick the berries by himself? Find an exact answer and an approximate answer to the problem.
Click here to see answer by josmiceli(19441)

Question 1089560: A father and his son can clean the house together in 8 hours. When the son works alone, it takes him an hour longer to clean than it takes his dad alone. Find how long it takes the son to clean alone.
Click here to see answer by josgarithmetic(39613)

Question 1089650: Jack and Jill both have part time jobs. Last week, Jack worked 8 hours and Jill, 5 hours both of them earned a total of 800 pesos. This week, Jill worked 12 hours and Jack, 4 hours and they earned a total of 1250 pesos. How much is Jack's hourly rate?
Click here to see answer by ikleyn(52748)

Question 1089976: Stacey observed that it took w women 10 days to do j jobs. Then, she calculated how long it would take n more women to do 28 more jobs. What was her answer?
Click here to see answer by josmiceli(19441)

Question 1090498: if 5 men dry a drain for 14 days, how long would 7men take?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1090498: if 5 men dry a drain for 14 days, how long would 7men take?
Click here to see answer by Fombitz(32388)

Question 1090516: a box of sand weighs 12 lbs when it's 3/4 full. It weighs 2.9 lbs when it's 1/6 full. What is the weight of the box?
Click here to see answer by Boreal(15235)

Question 1090516: a box of sand weighs 12 lbs when it's 3/4 full. It weighs 2.9 lbs when it's 1/6 full. What is the weight of the box?
Click here to see answer by greenestamps(13195)

Question 1090636: In a certain CPU, a floating point adder unit uses a total of 40 percent of the execution time. If the floating point adder unit is replaced with a new unit whose speed is ten times faster than the original unit, approximately how many times faster is the new CPU than the original one? Here, there is no modification in the instruction set of the new CPU.
Here are the choices:
a) 1.25 b) 1.40 c) 1.56 d) 2.17
I am really confused of getting the correct answer.
Click here to see answer by ikleyn(52748)

Question 1090882: Ken and Ted can produce 1 chair in 3 hours working together at their respective constant rates. If Ken doubles his speed, then two of them could produce 1 chair in 2 hours working together at their respective rates. How many hours does it currently take Ken to produce 1 chair on his own?
Click here to see answer by josmiceli(19441)

Question 1091142: There are three small holes in a tub filled with water. If opened, hole one will empty the tub in 3 hours; hole 2 will empty the tub in 4 hours and hole 3 will empty the tub in 5 hours. If all 3 holes are opened at the same time, how long will it take to empty the tub?
Click here to see answer by ikleyn(52748)

Question 1091243: Mark working alone can do 2 jobs in m hours, and Bob working alone can do 2 jobs in b hours. How long will it take Mark and Bob to do one job if they work together?
Click here to see answer by josmiceli(19441)

Question 1092045: Willy Wanka's factory Has a machine that can make 1000 chocolates bars in5 hours. A new machine was brought and it could make the same amount of chocolates in only 3 hours. During the holiday rush, both machines were used together to make an order of 20,000 chocolates How long would both machines have to make them?
Click here to see answer by ikleyn(52748)

Question 1092046: Juan can plant rice on the whole field in 5 hours while Pablo can do it in 6 hours. If they divide the work equally,
with Juan working first and Pablo following right after Juan finishes, how long will the work be finished.
My answer is 30/11 HRS. Is it correct? Thanks.
Click here to see answer by ikleyn(52748)

Question 1092163: The ratio of income to the expenditure of a family is 11:7 find the income if the saving of the family is RS.480

Click here to see answer by Fombitz(32388)

Question 1092359: if 12 carppentersz can make 480 chairs in 24 days,how many can make 1000 chairs in 24 days?
Click here to see answer by josgarithmetic(39613)

Question 1092359: if 12 carppentersz can make 480 chairs in 24 days,how many can make 1000 chairs in 24 days?
Click here to see answer by ikleyn(52748)

Question 1092359: if 12 carppentersz can make 480 chairs in 24 days,how many can make 1000 chairs in 24 days?
Click here to see answer by greenestamps(13195)

Question 1092471: Add the same number to the numerator and denominator of 3 over 18.if the resulting fraction is 1 over 2 then number added is?
Click here to see answer by Fombitz(32388)

Question 1092780: Beth could do P problems in 2 hours and Mollie could do X problems in H hours. How long would they have to work together to finish 400 problems?
Click here to see answer by jorel1380(3719)

Question 1093057: 3 people take 2 hours to pack 50 bricks.how many hours wil 5 people take?
Click here to see answer by josgarithmetic(39613)

Question 1093078: If 9 men take 15 days to tile the floors of a house, how long will it take five men working at the same rate?
Click here to see answer by richwmiller(17219)

Question 1093108: A rectangle is three times as long as it is wide and has the same perimeter as a square whose area is 1 square feet larger than that of the rectangle. What are the dimensions of both the rectangle and the square?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1093210: Sam can mow a lawn in 30 minutes. Melissa can mow the same lawn in 90 minutes. How long does it take for both Sam and Melissa to mow the lawn if they are working together?
Click here to see answer by Boreal(15235)

Question 1093260: 1.) If 15 cm on a map represents 2.5 km of actual ground, how many centimetres would 15 km of actual ground be on the map?
2.) If the ratio of yellow pigment to blue pigment in a shade of green paint is 2:3, how many drops of yellow pigment will be needed of 12 drops of blue are used?
3.) If this treatment costs the consumer $68.00 and the cost of labour and materials used is $14.20, what is the ratio of consumer price to actual cost?
Click here to see answer by Theo(13342)

Question 1093328: Mark can finish a task alone in 24 days while Andres can do the same task in 18 days. If they work together, how long can they finish the task?

Click here to see answer by ikleyn(52748)

Question 1093454: What is the force of gravity between two 15,000 kg cement trucks that are parked 3 meters apart?
Click here to see answer by Alan3354(69443)

Question 1093454: What is the force of gravity between two 15,000 kg cement trucks that are parked 3 meters apart?
Click here to see answer by ikleyn(52748)

Question 1093455: What is the force of gravity between two 15,000 kg cement trucks that are parked 3 meters apart?
How does this force compare with the weight of one of the trucks?
Click here to see answer by Alan3354(69443)

Question 1093457: A bullet has a mass of 8 grams and a muzzle velocity of 340 m/sec. A baseball has a mass of 0.2 kg. and is thrown by the pitcher at 40 m/sec. What is the momentum of the baseball? What is the momentum of the bullet?
Click here to see answer by ikleyn(52748)

Question 1093477: What is the force of gravity between two 15,000kg cement trucks that are parked 3 meters apart?
How does this force compare with the weight of one of the trucks?
Click here to see answer by ikleyn(52748)

Question 1093478: A bullet has a mass of 8 grams and a muzzle velocity of 340 m/sec. A baseball has a mass of 0.2 kg. and is thrown by the pitcher at 40 m/sec. What is the momentum of the baseball? What is the momentum of the bullet?
Click here to see answer by ikleyn(52748)

Question 1093462: The separation between two 1 kg masses is (a) decreased by 2/3, and (b) increased by a factor of 3. How is the mutual gravitational force affected in each case?
Click here to see answer by Alan3354(69443)

Question 1093866: A carpenter can do a job in four hours. His assistant can do the same job in six hours. How long would it take them to do the job together?
Click here to see answer by josgarithmetic(39613)

Question 1093867: Carrie can inspect a case of watches in two hours. Jerry inspects a case in five hours. After inspecting a case for a half an hour, Carrie takes a break. In the mean time, Jerry takes over and completes the job, how long did this take him?
Click here to see answer by stanbon(75887)

Question 1093992: The school gardener can weed 10 2/3 sq. meters per hour. How many square. meters can he clean in 1 3/4 hours?
Click here to see answer by Alan3354(69443)

Question 1093991: The school gardener can weed 10 2/3 sq. meters per hour. How many square. meters can he clean in 1 3/4 hours?
Click here to see answer by Alan3354(69443)

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