Monica is 4 yrs older than Kevin. Kevin is 9 years younger than rob . The sum is 37

The rate at which crickets chirp is a linear function of temperature. at 59F they make 76 chirps per minute, and at[..]

a race car needs a fuel mixture that is 20% alcohol how many liters of 10% alcohol fuel mixture must be combined[..]

Anne Domingoes drives a Volvo that gets 32 miles per gallon. How many miles can she travel on 25 gallons of gas?

A pool can be filled by one pipe in 5 hours and by a second pipe in 2 hours. How long will it take using both pipes?

A certain triangle has a perimeter of 3081 miles. The shortest side measures 74 miles less than the middle​ side,[..]

A rancher has 800 feet of fencing to put around a rectangular field and then subdivide the field into 2 identical[..]

The width of the bedroom is (x-5) feet. The length is 4 times the width. Write an expression for the perimeter of[..]

Tickets for a concert are available at two prices. The more expensive ticket is $30 more then the cheaper one. Find[..]

Calvin has a wall safe that contains 219950.00. If it has 9 times as many 200-peso bills as 100-peso bills, and 5[..]