A shop had 30 cardigans and some jackets. During the sale,
23 of the cardigans and
19 of the jackets were sold. 64 jackets were left unsold.
- How many cardigans were sold?
- How many cardigans and jackets were sold altogether?
|
Cardigans |
Jackets |
Before |
30 |
9 u |
Change |
- 20 |
- 1 u |
After |
10 |
8 u |
(a)
Number of cardigans sold
= 23 x 30 = 20
(b)
Total number of jackets = 9 u
Number of jackets unsold
= 9 u - 1 u
= 8 u
8 u = 64
1 u = 64 ÷ 8 = 8
Number of jackets sold = 8
Number of cardigans and jackets sold
= 8 + 20
= 28
Answer(s): (a) 20; (b) 28