The inlet pipe of an oil tank can fill the tank in 1 hour 30 min. The outlet pipe can empty the tank in 1 hour. How[..]

April and Peter had a combined total of 25 eggs. Peter and Marsha had a combined total of 23 egg. April and Marsha[..]

ben travels 4 hours at x km per hour and then for 5 hours at 10 km per hour faster. If he travels 590km in total[..]

an aquarium holding african cichlids is 4 inches higher than it is wide. its length is 27 inches, and its volume is[..]

Two garden plots have the same area.one is square the other is rectangular.The rectangle plot is 4 meters wide and[..]

Students in Miss Moseley's fourth grade class are learning multiplication, and they demonstrate mastery by passing[..]

Fred had 308 dollars to spend on 8 books. After buying them he had 12 dollars. How much did each book cost?

Before a car engine was overhauled, it got 0.75 times the number of miles per gallon as it did afterward. The car[..]

one-fifth of ed's auto sales last year were new customers. if 600 cars were sold to new customers, how many cars[..]

A group has a beginning total of $31,600. They spend $10,471 on fuel and $460 on a gate ticket. At the end of the[..]