Question
PSLE
The ratio of the number of sweaters to that of windbreakers in a shopping centre was 11 : 5 in the end. After 6 windbreakers were sold, the ratio of the number of sweaters to that of windbreakers became 7 : 3. What was the total number of sweaters and windbreakers in the shopping centre in the end?
2 m

Click button first when a symbol is required. X

PSLE
The ratio of the number of sweaters to that of windbreakers in a shopping centre was 11 : 5 in the end. After 6 windbreakers were sold, the ratio of the number of sweaters to that of windbreakers became 7 : 3. What was the total number of sweaters and windbreakers in the shopping centre in the end?