Question
PSLE
The ratio of the number of skirts to that of sweaters in a shopping centre was 4 : 1 at first. After 12 sweaters were sold, the ratio of the number of skirts to that of sweaters became 7 : 1. What was the total number of skirts and sweaters in the shopping centre at first?
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PSLE
The ratio of the number of skirts to that of sweaters in a shopping centre was 4 : 1 at first. After 12 sweaters were sold, the ratio of the number of skirts to that of sweaters became 7 : 1. What was the total number of skirts and sweaters in the shopping centre at first?