A manufacturer of graphing calculators has determined that 10,000 calculators per week will be sold at a price of[..]

find two consecutive even integers such that the smaller added to four times the larger gives a sum of 38

Petra has the choice of two mobile phone plans. Unlonely Planet costs $50 per month and charges 45c per call and[..]

Two planes leave new york kennedy airport at the same time. One flies east to paris, france at 550 miles per hour.[..]

The square AB, of which the side is 400 feet, is inscribed in the square EF. AE is 362.56 feet. find the small[..]

The room nuners on one side of a school coridor are consecutive positive even integers. The product of the room[..]

Train A and Train B leave the station at the same time. Train A is northbound, and Train B is eastbound travelling[..]

How many gallons of 70% antifreeze must be mixed with 120 gallons of 20% antifreeze to bet a mixture that is 40%[..]

At what rate of simple interest will $5000 amount to $6050 in 3 years,4 months?

a snowmobile is traveling 40 mph faster than a dog sled. In the same time that the dog sled travels 24 miles, the[..]