Risa, Penelope, Nick and Ivory shared some coins. Risa and Penelope took
16 of the total number of coins while Nick and Ivory took the rest. Penelope had twice as many coins as Risa and Ivory had 32 coins. Given that Ivory had twice as many coins as Penelope, how many coins were there altogether?
Risa |
Penelope |
Nick |
Ivory |
Total |
1x3 |
5x3 |
6x3 |
1 |
2 |
|
|
|
|
1x2 |
|
2x2 |
|
1 u |
2 u |
11 u |
4 u |
18 u |
Number of coins that Penelope had is repeated. Make the number of coins that Penelope had the same. LCM of 2 and 1 is 2.
Number of coins that Ivory had = 4 u
4 u = 32
1 u = 32 ÷ 4 = 8
Total number of coins
= 18 u
= 18 x 8
= 144
Answer(s): 144