Raeann had 119 cheese and cherry biscuits. After giving away
14 of her cheese biscuits and 21 of her cherry biscuits, she had an equal number of cheese and cherry biscuits. How many cherry biscuits did she have at first?
| |
Cheese biscuits |
Cherry biscuits |
Total |
| Before |
4 u |
3 u + 21 |
119 |
| Change |
- 1 u |
- 21 |
|
| After |
3 u |
3 u |
|
Fraction of the cheese biscuits left
= 1 -
14=
34 The number of cheese and cherry biscuits in the end is the same.
Total number of biscuits at first
= 4 u + 3 u + 21
= 7 u + 21
7 u + 21 = 119
7 u = 119 - 21
7 u = 98
1 u = 98 ÷ 7 = 14
Number of cherry biscuits at first
= 3 u + 21
= 3 x 14 + 21
= 42 + 21
= 63
Answer(s): 63
