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