Question
PSLE
The ratio of the number of jackets to that of sweaters in a shopping centre was 11 : 7 at first. After 70 sweaters were sold, the ratio of the number of jackets to that of sweaters became 3 : 1. What was the total number of jackets and sweaters in the shopping centre at first?
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PSLE
The ratio of the number of jackets to that of sweaters in a shopping centre was 11 : 7 at first. After 70 sweaters were sold, the ratio of the number of jackets to that of sweaters became 3 : 1. What was the total number of jackets and sweaters in the shopping centre at first?