Question
PSLE
The ratio of the number of dresses to that of vests in a boutique was 7 : 1 in the end. After 20 vests were sold, the ratio of the number of dresses to that of vests became 11 : 1. What was the total number of dresses and vests in the boutique in the end?
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PSLE
The ratio of the number of dresses to that of vests in a boutique was 7 : 1 in the end. After 20 vests were sold, the ratio of the number of dresses to that of vests became 11 : 1. What was the total number of dresses and vests in the boutique in the end?