The linear function f(x)=875x+9172 provides a model for the number of units of a particular product sold from year[..]

The speed of a stream is 4 mph. A boat travels 6 miles upstream in the same time it takes to travel 12 miles[..]

Brett can mow a lawn in 5 hours using his push mower. It would take his neighbor 3 hours to do the same job using[..]

The cost of 6 gallons of gasoline is $13.38. How much would 11 gallons of the same gasoline cost?

The hot water tap can fill a tub in 25 minutes. The cold water tap takes 20 minutes to fill the tub. How long[..]

A freight train travels 5 miles per hour slower than a passenger train. If the freight train travels 260 miles in[..]

Ruth can buy 5 bottles of water and 2 cans of soda for $5.90. She can buy 3 bottles of water and 7 cans of soda for[..]

Ruth can buy 5 bottles of water and 2 cans of soda for $5.90. She can buy 3 bottles of water and 7 cans of soda for[..]

An 80% of acid solution is to be mixed with a 30% solution to get 90 gallons of a 50% solution. How many gallons of[..]

A plane can travel 419 miles per hour with the wind and 340 miles per hour against it. Find the speed of the wind[..]