A shop had 30 sweaters and some shirts. During the sale,
13 of the sweaters and
15 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 |
5 u |
Change |
- 10 |
- 1 u |
After |
20 |
4 u |
(a)
Number of sweaters sold
= 13 x 30 = 10
(b)
Total number of shirts = 5 u
Number of shirts unsold
= 5 u - 1 u
= 4 u
4 u = 64
1 u = 64 ÷ 4 = 16
Number of shirts sold = 16
Number of sweaters and shirts sold
= 16 + 10
= 26
Answer(s): (a) 10; (b) 26