Henry and Ben have a total of 50 stamps. If Henry gives Ben 45 stamps, Ben will have 4 times as many stamps as him. Find
(a) Henry's stamps
(b) Ben's stamps
|
Henry |
Ben |
Total |
Before |
1 u + 45 |
4 u - 45 |
50 |
Change |
- 45 |
+ 45 |
|
After |
1 u |
4 u |
5 u |
(a)
Total number of stamps
= 1 u + 4 u
= 5 u
5 u = 50
1 u = 50 ÷ 5 = 10
Number of stamps that Henry has
= 1 u + 45
= 10 + 45
= 55
(b)
Number of stamps that Ben has
= 50 - 55
= -5
Answer(s): (a) 55; (b) -5