Question
PSLE
The ratio of the number of windbreakers to that of sweaters in a boutique was 11 : 9 in the end. After 28 sweaters were sold, the ratio of the number of windbreakers to that of sweaters became 2 : 1. What was the total number of windbreakers and sweaters in the boutique in the end?
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PSLE
The ratio of the number of windbreakers to that of sweaters in a boutique was 11 : 9 in the end. After 28 sweaters were sold, the ratio of the number of windbreakers to that of sweaters became 2 : 1. What was the total number of windbreakers and sweaters in the boutique in the end?