5 years ago, a mother was twice as old as her son. In 6 years time, the sum of their ages will be 82. Find their[..]

Raul, who is 1.82 m tall, wishes to find the height of a tree. He walks 23.77 m from the base of the tree along the[..]

In second gear on Anne's bicycle, the back wheel rotates 7 times for every 4 rotations of the pedals. If her back[..]

A tree casts a shadow 25 m long. At the same time, the shadow cast by a 57-cm tall statue is 66 cm long. Find the[..]

Jim has gotten scores of 73 and 66 on his first two tests. What score must he get on his third test to keep an[..]

An athlete ran 18 miles this week, including 9 miles today. Write the ratio of miles run this week to miles run today.

Find the length of a rectangular lot with a perimeter of 132 meters if the length is 4 meters more than the width.[..]

If two planes leave an airport at the same time with one flying west at 380 miles per hour and the other flying east[..]

In a recent International Gymnastics competition, the U.S., China, and Romania were the big winners. If the total[..]

A writer received $43,000 as royalty for her book. She invested part of the money in bonds paying 4% interest[..]