An auditorium has 185 students. There are three less than three times as many girls than boys in the auditorium. How[..]

(let x=the length of one of the legs) the hypotenuse of a right triangle is 10 inches. one of the leg is 2 inches[..]

Rick and Mike are roommates and leave Gainesville on Interstate 75 at the same time to visit their girlfriends for a[..]

A high school student was able to save $4000 by working a part-time job every summer. He invested half the money in[..]

Christopher can paint the interior of his house in 20 hours. If he hires Cynthia to help him, they can do the same[..]

A high school student in Seattle, Washington, attends the University of Central Florida. On the way to UCF he took a[..]

The perimeter of a semicircle is doubled when the radius is increased by 6.5. Find the radius of the semicircle.

Jeff, Tom, and Chelsea order a large pizza. They decide to split the cost according to how much they will eat. Tom[..]

The perimeter of a rectangle is 48 in. If the length is twice the width, what is the length of the rectangle?

i have a 55 gal drum of glycol at 30% mixture. how much 95% glycol do i need to add to produce a 50% mixture of[..]