Natalie had seven times as much money as Tiffany. After Natalie spent $13 and Tiffany spent $5, Natalie had $34 more than Tiffany. How much did Natalie have in the end?
| |
Natalie |
Tiffany |
| Before |
7 u |
1 u |
| Change |
- $13 |
- $5 |
| After |
7 u - $13 |
1 u - $5 |
Comparing Natalie
and Tiffany
in the end |
$34 more |
|
If Tiffany was given another $34, the amounts that Natalie and Tiffany each had in the end would be the same.
7 u - 13 = 1 u - 5 + 34
7 u - 1 u = 13 + 29
6 u = 42
1 u = 42 ÷ 6 = 7
Amount that Natalie had in the end
= 7 u - 13
= 7 x 7 - 13
= 49 - 13
= $36
Answer(s): $36
