Yesterday, Ethan had 80 macarons and 19 cookies. This morning, he sold 38 macarons and bought some more cookies. Now he has four times as many cookies as macarons. How many cookies did he buy today?
| |
Macarons |
Cookies |
| Before |
80 |
19 |
| Change |
- 38 |
+ ? |
| After |
1 u |
4 u |
Number of macarons in the end
= 80 - 38
= 42
1 u = 42
Number of cookies in the end
= 4 u
= 4 x 42
= 168
Number of cookies that Ethan bought today
= 4 u - 19
= 168 - 19
= 149
Answer(s): 149
