Xylia and Risa bought a gift for their father. They shared the cost equally between them. Xylia used
512 of her savings while Risa used
34 of her savings. What fraction of their total savings was used to buy the gift?
Each girl shared half the cost of the gift. The amount that each of them spent is the same.
Make the numerators the same. LCM of 5 and 3 is 15.
512 of Xylia's savings =
34 of Risa's savings
1536 of Xylia's savings =
1520 of Risa's savings
| |
Xylia |
Risa |
Total |
| Before |
36 u |
20 u |
56 u |
| Change |
- 15 u |
- 15 u |
- 30 u |
| After |
21 u |
5 u |
26 u |
Amount of savings spent
= 15 u + 15 u
= 30 u
Total amount of savings at first
= 36 u + 20 u
= 56 u
Fraction of their total savings used
=
3056=
1528 Answer(s):
1528 
