Ivory, Jaslyn, Will and Opal shared some marbles. Ivory and Jaslyn took
13 of the total number of marbles while Will and Opal took the rest. Jaslyn had twice as many marbles as Ivory and Opal had 32 marbles. Given that Opal had twice as many marbles as Jaslyn, how many marbles were there altogether?
| Ivory |
Jaslyn |
Will |
Opal |
Total |
| 1x3 |
2x3 |
3x3 |
| 1 |
2 |
|
|
|
| |
1x2 |
|
2x2 |
|
| 1 u |
2 u |
2 u |
4 u |
9 u |
Number of marbles that Jaslyn had is repeated. Make the number of marbles that Jaslyn had the same. LCM of 2 and 1 is 2.
Number of marbles that Opal had = 4 u
4 u = 32
1 u = 32 ÷ 4 = 8
Total number of marbles
= 9 u
= 9 x 8
= 72
Answer(s): 72
