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An empty water storage tank can be filled using two pumps, A and B. Pump A, working alone at its constant rate, takes x minutes to fill the tank. Pump B, working alone at its constant rate takes $$\frac{5}{4}$$ times as long as pump A to fill the tank. If it takes y minutes for pumps A and B, working simultaneously at their respective constant rates, to fill the tank, what is the ratio of x to y?
Give your answer as a fraction.
Give your answer as a fraction.
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· 相关考点
2.5.2 工作效率题
2.5.2 工作效率题
以上解析由 考满分老师提供。
