Abi has 3 times as many erasers as Jade. Jade has
27 as many erasers as Lynn. If the three of them have a total of 60 erasers, how many erasers does Abi have?
Abi |
Jade |
Lynn |
3x2 |
1x2 |
|
|
2x1 |
7x1 |
6 u |
2 u |
7 u |
The number of erasers that Jade has is repeated. Make the number of erasers that Jade has the same. LCM of 1 and 2 is 2.
Total number of erasers that the three of them have
= 6 u + 2 u + 7 u
= 15 u
15 u = 60
1 u = 60 ÷ 15 = 4
Number of erasers that Abi has
= 6 u
= 6 x 4
= 24
Answer(s): 24