Vanessa bought five times as many puffs as Sam. After Vanessa ate 6 puffs, she had 10 more puffs than Sam. How many puffs did they buy altogether?
| |
Vanessa |
Sam |
Total |
| Before |
5 u |
1 u |
6 u |
| Change |
- 6 |
|
|
| After |
5 u - 6 |
1 u |
|
The number of puffs that Sam had remains unchanged.
If Sam had another 10 puffs in the end, the number of puffs that Vanessa and Sam had would be the same.
5 u - 6 = 1 u + 10
5 u - 1 u = 10 + 6
4 u = 16
1 u = 16 ÷ 4 = 4
Total number of puffs
= 5 u + 1 u
= 6 u
= 6 x 4
= 24
Answer(s): 24
