Cathy had 60 banana and strawberry biscuits. After giving away
14 of her banana biscuits and 18 of her strawberry biscuits, she had an equal number of banana and strawberry biscuits. How many strawberry biscuits did she have at first?
| |
Banana biscuits |
Strawberry biscuits |
Total |
| Before |
4 u |
3 u + 18 |
60 |
| Change |
- 1 u |
- 18 |
|
| After |
3 u |
3 u |
|
Fraction of the banana biscuits left
= 1 -
14=
34 The number of banana and strawberry biscuits in the end is the same.
Total number of biscuits at first
= 4 u + 3 u + 18
= 7 u + 18
7 u + 18 = 60
7 u = 60 - 18
7 u = 42
1 u = 42 ÷ 7 = 6
Number of strawberry biscuits at first
= 3 u + 18
= 3 x 6 + 18
= 18 + 18
= 36
Answer(s): 36
