Yen had 5 times as many marbles as Fiona at first. After Yen gave 42 marbles to Fiona, they each had the same number of marbles in the end. How many marbles did Fiona have in the end?
| |
Yen |
Fiona |
| Before |
5 u |
1 u |
| Change |
- 42 |
+ 42 |
| After |
5 u - 42 |
1 u + 42 |
Comparing Yen and
Fiona in the end |
1 |
1 |
The number of marbles that Yen and Fiona had in the end is equal.
5 u - 42 = 1 u + 42
5 u - 1 u = 42 + 42
4 u = 84
1 u = 21
Number of marbles that Fiona had in the end
= 1 u + 42
= 21 + 42
= 63
Answer(s): 63
