Olivia and Lynn have 292 coins altogether. Lynn has thrice as many coins as Olivia. How many coins must Lynn give to Olivia so that they have the same number of coins?
| |
Olivia |
Lynn |
Total |
| Before |
1 u |
3 u |
292 |
| Change |
+ ? |
- ? |
|
| After |
146 |
146 |
292 |
Total number of coins that Olivia and Lynn have
= 1 u + 3 u
= 4 u
4 u = 292
1 u = 292 ÷ 4 = 73
Number of coins that Olivia and Lynn each has in the end
= 292 ÷ 2
= 146
Number of coins that Lynn must give to Olivia
= 146 - 73
= 73
Answer(s): 73
