rocko911 wrote:
Bunuel wrote:
Three hoses, x, y, and z, each pump water at a constant rate. How long will it take the hoses to fill up a 30,000-gallon tank?
(1) Hose x pumps water at 3 times the speed of z.
(2) Hose y pumps water at half the rate of x.
(1) Hose x pumps water at 3 times the speed of z.
(2) Hose y pumps water at half the rate of x.
If we make the equation
1/6x = x
1/2x = z
1/x = y
1/6x + 1/2x + 1/x = 1/30,000
Why cant be C be correct as we can solve to get X
Pleasehelp
Because the actual measurement of the rate is not given. The rate could be gallons/hour or gallons/sec or gallons/min. Unless
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