Change ratio into units.
Fill in the blanks in numbers, units or unit equations.
Bryan and Adam share a sum of money in the ratio 5 : 9.
After Bryan gives
47 of his money to Adam,
Adam has $68 more than Bryan.
- Difference in the amount between Bryan and Adam at first = _____ u
- Amount that Adam has in the end = _____ u
- Total amount that they have = _____ u
- 1 u = $_____
|
Bryan |
Adam |
Comparing between Bryan and Adam at first |
5 x 7 = 35 u |
9 x 7 = 63 u |
Before |
7 x 5 = 35 u |
|
Change |
4 x 5 = - 20 u |
+ 20 u |
After |
3 x 5 = 15 u |
83 u |
(a)
Change ratio into units.
The amount that Bryan has at first is repeated.
Amount that Bryan has at first = 35 u
Amount that Adam has at first = 63 u
Difference in the amount between Bryan and Adam at first
= 63 u - 35 u
= 28 u
(b)
Amount that Adam has in the end
= 63 u + 20 u
= 83 u
(c)
Total amount that they have
= 35 u + 63 u
= 98 u
(d)
Difference in the amount that they have in the end
= 83 u - 15 u
= 68 u
68 u = 68
1 u = 68 ÷ 68 = 1
Answer(s): (a) 28; (b) 83; (c) 98; (d) 1