ONE SMALL PIPE TAKES TWICE AS LONG TO FILL A TANK AS A LARGER PIPE DOES. IT TAKES THE TWO PIPES 40 MINUTES TO FILL THE TANK WHEN WORKING TOGETHER. HOW LONG WILL IT TAKE EACH PIPE INDIVIDUALLY TO FILL THE TANK?

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- December 14th 2008, 10:42 PMmagentaritaPipes Working Individually
ONE SMALL PIPE TAKES TWICE AS LONG TO FILL A TANK AS A LARGER PIPE DOES. IT TAKES THE TWO PIPES 40 MINUTES TO FILL THE TANK WHEN WORKING TOGETHER. HOW LONG WILL IT TAKE EACH PIPE INDIVIDUALLY TO FILL THE TANK?

- December 14th 2008, 11:18 PMtester85
Let x be the time taken to fill in the tank by the small pipe

Let y be the time taken to fill in the tank by the big pipe pipe

x = 2y ------------- Eqn 1

x + y = 40 --------- Eqn 2

Solve for x and y. - December 15th 2008, 10:34 PMmagentaritaok...