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The larger base of a trapezoid is three times as long as the shorter base, and the height of the trapezoid is 2 inches longer than the shorter base. The area of the trapzoid is 70 square inches. What...

Two planes leave an airport at the same time and fly in opposite directions. One of the planes is flying at 450 mph, and the other plane is flying at 550 mph. In how many hours will they be 2000 miles...

A biker mixed 11 pounds of raisins that cost \$2.30 per pound with peanuts that cost \$4.50 per pound to make a mixture that cost \$3.29 per pound. How many pounds of peanuts did the biker use?

A construction company needs to remove 3 1/6 tons of dirt from a construction site. They can remove 5/8 tons of dirt each hour. What is the total number of hours it will take to remove the...

the problem is as follows, I don't know what the formula should look like.    Mary has been saving her money. She has \$69.00 consisting of \$5 bills and \$1 bills. If she has a total...

Two trains traveling on parallel tracks are going toward each other from a distance of 623 miles. If the freight train is moving at 42 mph and the passenger train is moving at 47 mph, when will the...