A shop had 30 sweaters and some jackets. During the sale,
110 of the sweaters and
19 of the jackets were sold. 64 jackets were left unsold.
- How many sweaters were sold?
- How many sweaters and jackets were sold altogether?
|
Sweaters |
Jackets |
Before |
30 |
9 u |
Change |
- 3 |
- 1 u |
After |
27 |
8 u |
(a)
Number of sweaters sold
= 110 x 30 = 3
(b)
Total number of jackets = 9 u
Number of jackets unsold
= 9 u - 1 u
= 8 u
8 u = 64
1 u = 64 ÷ 8 = 8
Number of jackets sold = 8
Number of sweaters and jackets sold
= 8 + 3
= 11
Answer(s): (a) 3; (b) 11