Yesterday, Riordan had 42 muffins and 57 scones. This morning, he sold 21 muffins and bought some more scones. Now he has five times as many scones as muffins. How many scones did he buy today?
| |
Muffins |
Scones |
| Before |
42 |
57 |
| Change |
- 21 |
+ ? |
| After |
1 u |
5 u |
Number of muffins in the end
= 42 - 21
= 21
1 u = 21
Number of scones in the end
= 5 u
= 5 x 21
= 105
Number of scones that Riordan bought today
= 5 u - 57
= 105 - 57
= 48
Answer(s): 48
