Bianca and Lisa leave the same point at the same time. Bianca is bicycling west at a rate of 2mph faster than Lisa,[..]

contributions accounted for two-fiths of the money received. if nine hundred fifty dollars was received in all how[..]

Kathy bicycles 4 km/h faster than Dennis. In the same time it takes Dennis to bicycle 42km, Kathy can bicycle 54 km.[..]

Hockey team receive 2 points when they win and 1 point when they tie. One season a team on a championship with 63[..]

A passenger car travels 30 km/h faster than a delivery truck. While the car goes 400 km, the truck goes 250 km. Find[..]

By checking work records, a plumber finds that Raul can plumb a house in 48 hr. Mira can do the same job in 36 hr.[..]

A 10% salt solution is to be mixed with a 20% salt solution to produce 20 gallons of a 17.5% salt solution. How many[..]

The sum of the ages of John and his brother is 40. John's brother is 8 more than his brother's age. Find the age[..]

The sum of a number and twice the second number is 56. The second number is 7 less than triple the first. Find the[..]

Gas cost $3.39 per gallon: A. Let g represent the number of gallons of gasoline purchased. Write an expression[..]