Question
PSLE
The ratio of the number of jackets to that of coats in a shop was 7 : 2 at first. After 30 coats were sold, the ratio of the number of jackets to that of coats became 6 : 1. What was the total number of jackets and coats in the shop at first?
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PSLE
The ratio of the number of jackets to that of coats in a shop was 7 : 2 at first. After 30 coats were sold, the ratio of the number of jackets to that of coats became 6 : 1. What was the total number of jackets and coats in the shop at first?