the product of 9 and a number plus 17 is equal to −1

Larry is 8 years older than his sister. In 3 years, he will be twice as old as she will be then. How old are they now?

There are 720 dishes that need to be rinsed. John can rinse them in 72 minutes by himself. It will take his friend[..]

john is considering accepting one of two sales positions.ABC company offers a yearly payment of $45,000.XYZ company[..]

A dairy needs 360 gallons of milk containing 6% butterfat. How many gallons each of milk containing 7% butterfat and[..]

suppose two trains leave a station at the same time, traveling in opposite directions. one train travels 20 mph[..]

there is 10$ in a bank account in 1755 and left alone. Since then the money has been collecting interest. It was[..]

Gabrielle's age is two times Mikhail's age. The sum of their ages is 54 . What is Mikhail's age?

Kristen spent $131 on shirts. fancy shirts cost $28 and plain shirts cost $15. if she bought a total of 7 the how[..]

Amy purchased a prepaid phone card for $30. Long distance calls cost 12 cents a minute using this card. Amy used[..]