Alvin's age is two times Elga's age. The sum of their age is 60. What is Elga's age?

Ace does various odd jobs over the summer on one of his jobs he was paid $81 for a job he completed in nine hours.

A plane set off to London at a speed of 279 mph. On the return flight of 9 hours, the plane cruised at 265 mph. How many hours long was the flight to London?

An artist wants to make alabaster pyramids using a block of alabaster with a volume of 576 cubic inches. She plans to make each pyramid with a square base area of 3 square inches and a height of 4 inches.

Kendra washes windows in an office building. She washes 2/5 of the windows on Monday. She washes 1/3 of the windows on Tuesday. What fraction of the windows remain for Kendra to wash?

Which item is cheaper basketball for $18.00 20% off or a baseball bat for $30.00 sith 30% off.

5 over 8 divided 1 and 1 3rd equal

Samantha had a board that was 6 ft. 8 in. long. she cut off a piece that was 2 ft. 10 in. long. how much board did Samantha have left?

How can logarithms be graphed with different bases?

Write a system of inequalities for the following situation: sheila wants to paint no more than 70 flower pots for the river art show. it costs her at least $50 plus $2 per item to produce red pots and $3 per item to produce gold pots.

You put 10,000 in a simple interest account at a bank. You will earn $1,8000 in just 4 years. What is the annual interest rate for the account?