Question
PSLE
The ratio of the number of jackets to that of sweaters in a shopping centre was 7 : 6 at first. After 20 sweaters were sold, the ratio of the number of jackets to that of sweaters became 2 : 1. What was the total number of jackets and sweaters in the shopping centre at first?
2 m

Click button first when a symbol is required. X

PSLE
The ratio of the number of jackets to that of sweaters in a shopping centre was 7 : 6 at first. After 20 sweaters were sold, the ratio of the number of jackets to that of sweaters became 2 : 1. What was the total number of jackets and sweaters in the shopping centre at first?