A shop had 30 sweaters and some cardigans. During the sale,
15 of the sweaters and
19 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 |
9 u |
Change |
- 6 |
- 1 u |
After |
24 |
8 u |
(a)
Number of sweaters sold
= 15 x 30 = 6
(b)
Total number of cardigans = 9 u
Number of cardigans unsold
= 9 u - 1 u
= 8 u
8 u = 64
1 u = 64 ÷ 8 = 8
Number of cardigans sold = 8
Number of sweaters and cardigans sold
= 8 + 6
= 14
Answer(s): (a) 6; (b) 14