Oliver and Zeph have a total of 85 marbles. If Oliver gives Zeph 29 marbles, Zeph will have 4 times as many marbles as him. Find
(a) Oliver's marbles
(b) Zeph's marbles
|
Oliver |
Zeph |
Total |
Before |
1 u + 29 |
4 u - 29 |
85 |
Change |
- 29 |
+ 29 |
|
After |
1 u |
4 u |
5 u |
(a)
Total number of marbles
= 1 u + 4 u
= 5 u
5 u = 85
1 u = 85 ÷ 5 = 17
Number of marbles that Oliver has
= 1 u + 29
= 17 + 29
= 46
(b)
Number of marbles that Zeph has
= 85 - 46
= 39
Answer(s): (a) 46; (b) 39