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A 150-yard pipe is cut to provide drainage for two fields.if the length of one piece (a) is three yards less than twice the lengths of the second piece (b),what are the lengths of two piece?

Jack and Jill, together, have 19 paperback books. If jack lost 3 of his books, but Jill doubled her supply, the two of them, together, would have 40 books. How many does each have now?

Eighteen-karat gold contains 18 parts by mass of gold to 6 parts of other metals. Fourteen=karat gold contains 14 parts of gold and 10 parts of other metals. How much eighteen-karat gold must be mixed...

A square window is framed by two rectangular shutters. Each shutter is as long as one side of the window and the width of each shutter is 40 cm less than its length. I the are covered by one of the...

A truck left town at noon and traveled at a uniform rate of 45 mph. At 1:00 P.M. the same day, a sedan set out from the same place a t a uniform rate 10mph greater. At what time did the sedan overtake...

The sponsor of a time-share vacation condominium plans to sell the permanent use of an apartment for 50 weeks each year. Each week is designated to be either "prime" or "off-season...

Dana decides to paint the ceiling and the walls of a bedroom. She spends \$102 on 2 gallons of paint for the ceiling and 3 gallons of paint for the walls. Then she decides to paint the ceiling and...

I need to make a system of linear equations with two variables. The label on a 12-ounce can of frozen concentrate Hawaiian Punch indicates that when the can of concentrate is mixed with 3 cans(36-ounces)...

I need help solving it but I want a detailed explanation. The label on a 12-ounce can of frozen concentrate Hawaiian Punch indicates that when the can of concentrate is mixed with 3 cans(36-ounces)...