Juan can run a three-mile race in 21 minutes.If he can maintain this speed, how many minutes would it take for him[..]

A machine grinds 3/6 pounds of coffee beans in 3/5 second.What is the rate in pounds per second that the machine[..]

18% of the 800 students at Long Grove High School are seniors. How many are seniors ?

the wheel on a bicycle has a diameter of 2ft. If the wheel is turning at 60 rpm,how far, in feet, will the bicycle[..]

How much water must be mixed with 7 pints of a solution that is 90% developer to produce a mixture that is 34%[..]

how much water must be mixed with 6 pints of a solution that is 60% developer to produce a mixture that is 31%[..]

a rectangle has a length 4m less than twice its width. when 4m are added to the width, the resulting figure is a[..]

For the past year frank had a total of $1200 divided into 3 different savings accounts each one paying simple[..]

For the past year Frank had a total of $1200 divided up into 3 different savings accounts, each one paying simple[..]

A surprise quiz contains three multiple choice question: question 1 has three suggested answers, question 2 has[..]