Question
The ratio of grapefruits to mangoes is 5 : 7. If 39 mangoes are added, the ratio of grapefruits to mangoes will be 1 : 4. How many grapefruits are there?
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The ratio of grapefruits to mangoes is 5 : 7. If 39 mangoes are added, the ratio of grapefruits to mangoes will be 1 : 4. How many grapefruits are there?