Rael had
38 as many marbles as Tiffany. After Rael gave away 46 marbles, he had 71 less marbles than Tiffany. How many marbles did Tiffany have?
| |
Rael |
Tiffany |
| Before |
3 u |
8 u |
| Change |
- 46 |
|
| After |
3 u - 46 |
8 u |
Tiffany had 71 more marbles than Rael in the end. So, if Rael had another 71 marbles, he would have the same number of marbles as Tiffany.
8 u = 3 u - 46 + 71
8 u - 3 u = 71 - 46
5 u = 25
1 u = 25 ÷ 5 = 5
Number of marbles that Tiffany had at first
= 8 u
= 8 x 5
= 40
Answer: 40
