The ratio of Albert's money to Harry's money is 3 : 13. If Harry has $520, how much must he give to Albert so both will have the equal amount of money?
| |
Albert |
Harry |
Total |
| Before |
3 u |
13 u |
16 u |
| Change |
+ 5 u |
- 5 u |
|
| After |
8 u |
8 u |
16 u |
Comparing Albert and
Harry in the end |
1 |
1 |
|
Amount that Harry has at first = 13 u
13 u = 520
1 u = 520 ÷ 13 = 40
Total amount that Harry and Albert have
= 3 u + 13 u
= 16 u
Amount that each of them will have in the end
= 16 u ÷ 2
= 8 u
Amount that Harry must give to Albert
= 8 u - 3 u
= 5 u
= 5 x 40
= $200
Answer(s): $200
