Anna had 260 more chocolate bars than Roshel. Anna used
67 of her chocolate bars and Roshel used
12 of her chocolate bars. In the end, Anna had 4 times as much as Roshel. Find the number of chocolate bars that Roshel had at first.
|
Anna |
Roshel |
Comparing Anna and Parry at first |
260 more |
|
Before |
7x4 = 28 u |
2 u |
Change |
- 6x4 = - 24 u |
- 1 u |
After |
1x4 = 4 u |
1 u |
Comparing Anna and Parry in the end |
4 u |
1 u |
The number of chocolate bars that Anna had in the end is repeated. Make the number of chocolate bars that Anna had in the end the same. LCM of 1 and 4 is 4.
Number of chocolate bars that Anna had more than Roshel
= 28 u - 2 u
= 26 u
26 u = 260
1 u = 260 ÷ 26 = 10
Number of chocolate bars that Roshel had at first
= 2 u
= 2 x 10
= 20
Answer(s): 20