Two buses start out from the same terminal and travel in opposite direction at the rates of 80 kph and 70 kph,[..]

One pipe can fill a tank in 30 minutes, but a second pipe can fill in 25 minutes. how long will it take if both[..]

You need a 15% acid solution for a certain test, but your supplier only ships 10% solution and a 30% solution.[..]

find five consecutive integers such that the sum of the first three is equal to the sum of the last two of the integers.

the sum of two numbers is 44. if the larger is two less than three times the smaller number, find the number.

Two cyclist start at the same time from opposite ends of a course that is 45 miles long. One cyclist is riding at 14[..]

Twice the larger of two numbers is three more than five times the smaller, and the sum of four times the larger and[..]

A golf shop pays its wholesaler $40 for a certain club, and then sells it to a golfer for $75.what is the markup rate?

an aircraft carrier made a trip to baxley and back. the trip there took four hours and the trip back took six hours.[..]

A red car leaves NYC going north at 11:00am. A blue car leaves Albany going south at 1:00pm going 10 mph slower than[..]