Xuan, Emma, Eric and Marion shared some beads. Xuan and Emma took
16 of the total number of beads while Eric and Marion took the rest. Emma had four times as many beads as Xuan and Marion had 80 beads. Given that Marion had twice as many beads as Emma, how many beads were there altogether?
Xuan |
Emma |
Eric |
Marion |
Total |
1x5 |
5x5 |
6x5 |
1 |
4 |
|
|
|
|
1x4 |
|
2x4 |
|
1 u |
4 u |
17 u |
8 u |
30 u |
Number of beads that Emma had is repeated. Make the number of beads that Emma had the same. LCM of 4 and 1 is 4.
Number of beads that Marion had = 8 u
8 u = 80
1 u = 80 ÷ 8 = 10
Total number of beads
= 30 u
= 30 x 10
= 300
Answer(s): 300