Question
PSLE
The ratio of the number of vests to that of coats in a shop was 11 : 10 at first. After 91 coats were sold, the ratio of the number of vests to that of coats became 9 : 7. What was the total number of vests and coats in the shop at first?
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PSLE
The ratio of the number of vests to that of coats in a shop was 11 : 10 at first. After 91 coats were sold, the ratio of the number of vests to that of coats became 9 : 7. What was the total number of vests and coats in the shop at first?