A shop had 30 sweaters and some cardigans. During the sale,
25 of the sweaters and
15 of the cardigans were sold. 64 cardigans were left unsold.
- How many sweaters were sold?
- How many sweaters and cardigans were sold altogether?
|
Sweaters |
Cardigans |
Before |
30 |
5 u |
Change |
- 12 |
- 1 u |
After |
18 |
4 u |
(a)
Number of sweaters sold
= 25 x 30 = 12
(b)
Total number of cardigans = 5 u
Number of cardigans unsold
= 5 u - 1 u
= 4 u
4 u = 64
1 u = 64 ÷ 4 = 16
Number of cardigans sold = 16
Number of sweaters and cardigans sold
= 16 + 12
= 28
Answer(s): (a) 12; (b) 28