Mary had 13 more sweets than Oliver at first. After Oliver had eaten 35 of his sweets, Mary had 5 times as many sweets as Oliver. How many sweets did Mary and Oliver have in total at first?
| |
Mary |
Oliver |
Total |
| Before |
1 u + 35 + 13 |
1 u + 35 |
6 u + 35 |
| Change |
|
- 35 |
|
| After |
5 u |
1 u |
|
The number of sweets that Mary had at first remains unchanged.
5 u = 1 u + 35 + 13
5 u - 1 u = 48
4 u = 48
1 u = 48 ÷ 4 = 12
Number of sweets that they had at first
= 6 u + 35
= 6 x 12 + 35
= 72 + 35
= 107
Answer(s): 107
