Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 1156877: Hi
An alloy contains copper and silver. The amount of silver exceeds copper by 50 grams. After 25 percent of the original amount of silver was added to the alloy,the new alloy contains 60 percent silver.
Find the original amount of silver and copper.
Thanks
Click here to see answer by ikleyn(52781)   |
Question 1156877: Hi
An alloy contains copper and silver. The amount of silver exceeds copper by 50 grams. After 25 percent of the original amount of silver was added to the alloy,the new alloy contains 60 percent silver.
Find the original amount of silver and copper.
Thanks
Click here to see answer by mathslover(157)  |
Question 1156876: Joe will rent a car for the weekend he can choose one of two plans the first plane has an initial fee of 53.96and cost an additional $.13 per mile driven the second plan has an initial fee of $65.96 and cost an additional nine cent per mile driven how many miles would Joe need to drive for the two plants to cost the same
Click here to see answer by josgarithmetic(39617) |
Question 1157001: Juan can do 2 jobs in 4 days, and Sergio can 4 jobs in 5 days. One hundred seven jobs need to be done. If Juan works for 6 days and then Sergio begins to help, how long will they work together to finish the 107 jobs?
Please show work thanks!!
Click here to see answer by josgarithmetic(39617) |
Question 1157001: Juan can do 2 jobs in 4 days, and Sergio can 4 jobs in 5 days. One hundred seven jobs need to be done. If Juan works for 6 days and then Sergio begins to help, how long will they work together to finish the 107 jobs?
Please show work thanks!!
Click here to see answer by josmiceli(19441)  |
Question 1157082: A rectangular sheet of metal is 6 inches longer than it is wide. A box is to be made by cutting out 3 inch squares at each corner and folding up the sides. If the box has a volume of 336 inches cubed, what were the original dimensions of the sheet metal?
Click here to see answer by ikleyn(52781) |
Question 1157084: The Blumin Garden Club planned to give their president a gift of appreciation costing $120 and to divide the cost evenly. In the meantime, 5 members dropped out of the club. If it now costs each of the remaining members $2 more than originally planned, how many members initially participated in the gift buying?
Click here to see answer by Boreal(15235)  |
Question 1157084: The Blumin Garden Club planned to give their president a gift of appreciation costing $120 and to divide the cost evenly. In the meantime, 5 members dropped out of the club. If it now costs each of the remaining members $2 more than originally planned, how many members initially participated in the gift buying?
Click here to see answer by ikleyn(52781) |
Question 1157084: The Blumin Garden Club planned to give their president a gift of appreciation costing $120 and to divide the cost evenly. In the meantime, 5 members dropped out of the club. If it now costs each of the remaining members $2 more than originally planned, how many members initially participated in the gift buying?
Click here to see answer by josgarithmetic(39617) |
Question 1157084: The Blumin Garden Club planned to give their president a gift of appreciation costing $120 and to divide the cost evenly. In the meantime, 5 members dropped out of the club. If it now costs each of the remaining members $2 more than originally planned, how many members initially participated in the gift buying?
Click here to see answer by mananth(16946)  |
Question 1157085: Charles just finished building an underground pool in his backyard. The rectangular pool has dimensions of 20 feet by 40 feet. He wants to surround it with a pool deck of uniform width. He must use all 16 cubic yards of concrete that were leftover from the pool construction. If one cubic yard of concrete will cover 54 square feet, how wide of a pool deck can he build around the pool?
Click here to see answer by mananth(16946) |
Question 1157085: Charles just finished building an underground pool in his backyard. The rectangular pool has dimensions of 20 feet by 40 feet. He wants to surround it with a pool deck of uniform width. He must use all 16 cubic yards of concrete that were leftover from the pool construction. If one cubic yard of concrete will cover 54 square feet, how wide of a pool deck can he build around the pool?
Click here to see answer by ikleyn(52781) |
Question 1157251: Please help me formulate the null(Ho) and Alternative(Ha) Hypothesis and identify if the hypothesis test is left -, right- or non-directional
A doctor wants to know if the average recovery time of a patient taking a particular medication is one month
Click here to see answer by Theo(13342)  |
Question 1157454: Aki's Bicycle Designs has determined that when x hundred bicycles are built, the average cost per bicycle is given by C(x)=0.5x^2-1.4x-1+2.134, where C(x) is in hundreds of dollars. How many bicycles should the shop build to minimize the average cost per bicycle?
Click here to see answer by mananth(16946) |
Question 1157495: An airplane passenger, Winston, has a few crates of supplies that he will be bringing with him on his adventure into the Amazon. Having years of experience, the airplane's pilot can load his plane by himself in 42 minutes. On the other hand, Winston can load his crates in the plane by himself in 56 minutes. How long will it take both Winston and his pilot to load the crates into the plane working together?
Click here to see answer by ikleyn(52781) |
Question 1157495: An airplane passenger, Winston, has a few crates of supplies that he will be bringing with him on his adventure into the Amazon. Having years of experience, the airplane's pilot can load his plane by himself in 42 minutes. On the other hand, Winston can load his crates in the plane by himself in 56 minutes. How long will it take both Winston and his pilot to load the crates into the plane working together?
Click here to see answer by josmiceli(19441) |
Question 1157496: With the airplane fueled and the cargo loaded the pilot and his passenger are ready to take off into the heart of the Amazon. The average speed for the Cessna 172 Skyhawk in still air is 140 miles per hour. The pilot tells his passenger that they are flying with a 28 mile per hour wind at their back and they'll arrive 15 minutes earlier than they would have without the wind. How long will the flight take with the help of the wind?
Click here to see answer by ikleyn(52781) |
Question 1157496: With the airplane fueled and the cargo loaded the pilot and his passenger are ready to take off into the heart of the Amazon. The average speed for the Cessna 172 Skyhawk in still air is 140 miles per hour. The pilot tells his passenger that they are flying with a 28 mile per hour wind at their back and they'll arrive 15 minutes earlier than they would have without the wind. How long will the flight take with the help of the wind?
Click here to see answer by josmiceli(19441) |
Question 1157494: A pilot has a Cessna 172 Skyhawk airplane with a fuel tank that holds 56 gallons of 100LL fuel. The pilot charges his passenger $4.00 per gallon for the amount of old fuel that is already in the tank. The pilot then fills the rest of the tank with new fuel that costs $7.36 per gallon. The pilot bills the passenger $328.16 for the combined cost of the old fuel and new fuel. How many gallons of new fuel were required to fill the tank?
Click here to see answer by mathslover(157) |
Question 1157497: An airplane lands on a short dirt runway near the village of Prainha. According to the passenger's map, a sunken treasure is 27 miles downriver from Prainha, on the opposite side of a 7 mile wide stretch of the Amazon River. The passenger finds a local fisherman who agrees to take him across to a dock that is only a few miles from the passenger's destination. The boat travels at a constant speed of 5 miles per hour. After landing at the dock, the passenger hikes alongside the river at a constant rate of 3 miles per hour. The trip from Prainha to the passenger's destination took a total of 6 hours. How far from the dock did the passenger have to hike to arrive at the location of the sunken treasure?
Click here to see answer by ikleyn(52781) |
Question 1157545: A car rental company charges $150, and $.12 per mile to rent a car
for a week. The total cost to rent a car for a week is:
C(x) = .12x + 150
where x equals the number of miles traveled. What is the total cost of renting a car if you drive 400 miles?
A. $150
B. $630
C. $48
D. $198
Click here to see answer by Boreal(15235) |
Question 1157545: A car rental company charges $150, and $.12 per mile to rent a car
for a week. The total cost to rent a car for a week is:
C(x) = .12x + 150
where x equals the number of miles traveled. What is the total cost of renting a car if you drive 400 miles?
A. $150
B. $630
C. $48
D. $198
Click here to see answer by ikleyn(52781) |
Question 1157570: In a town of 500 people, 298 have bicycle, 225 have bike and 140 have car. 29 have both bicycle and bike, 35 have both bike and car, 20 have both bicycle and car and 11 have all the three. How many have only car?
Click here to see answer by ikleyn(52781) |
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