A shop had 30 jackets and some sweaters. During the sale,
13 of the jackets and
19 of the sweaters were sold. 64 sweaters were left unsold.
- How many jackets were sold?
- How many jackets and sweaters were sold altogether?
|
Jackets |
Sweaters |
Before |
30 |
9 u |
Change |
- 10 |
- 1 u |
After |
20 |
8 u |
(a)
Number of jackets sold
= 13 x 30 = 10
(b)
Total number of sweaters = 9 u
Number of sweaters unsold
= 9 u - 1 u
= 8 u
8 u = 64
1 u = 64 ÷ 8 = 8
Number of sweaters sold = 8
Number of jackets and sweaters sold
= 8 + 10
= 18
Answer(s): (a) 10; (b) 18