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