A shop had 30 sweaters and some shirts. During the sale,
25 of the sweaters and
13 of the shirts were sold. 64 shirts were left unsold.
- How many sweaters were sold?
- How many sweaters and shirts were sold altogether?
|
Sweaters |
Shirts |
Before |
30 |
3 u |
Change |
- 12 |
- 1 u |
After |
18 |
2 u |
(a)
Number of sweaters sold
= 25 x 30 = 12
(b)
Total number of shirts = 3 u
Number of shirts unsold
= 3 u - 1 u
= 2 u
2 u = 64
1 u = 64 ÷ 2 = 32
Number of shirts sold = 32
Number of sweaters and shirts sold
= 32 + 12
= 44
Answer(s): (a) 12; (b) 44