Tammy had 21 more caramel apples than Daniel at first. After Daniel had eaten 15 of his caramel apples, Tammy had 4 times as many caramel apples as Daniel. How many caramel apples did Tammy and Daniel have in total at first?
| |
Tammy |
Daniel |
Total |
| Before |
1 u + 15 + 21 |
1 u + 15 |
5 u + 15 |
| Change |
|
- 15 |
|
| After |
4 u |
1 u |
|
The number of caramel apples that Tammy had at first remains unchanged.
4 u = 1 u + 15 + 21
4 u - 1 u = 36
3 u = 36
1 u = 36 ÷ 3 = 12
Number of caramel apples that they had at first
= 5 u + 15
= 5 x 12 + 15
= 60 + 15
= 75
Answer(s): 75
