Answer:
$69
Explanation:
Given
![Purchase = \$69](https://img.qammunity.org/2021/formulas/mathematics/high-school/pq0mwpmngypqyjvhi555gseqbaec48vbtl.png)
![Amount\ Left = \$0](https://img.qammunity.org/2021/formulas/mathematics/high-school/geefedlzt7gdb3jj323dvm7zhto9bohrn1.png)
Required
Determine the cash before purchase
To get the her amount before the purchase, we simply add both given parameters together.
This is done as follows;
![Amount = Amount Left + Purchase](https://img.qammunity.org/2021/formulas/mathematics/high-school/nvly7x0i63ibsyqbqtpz6a0yahu6epkso1.png)
Substitute 0 for Amount Left and 60 for Purchase
![Amount = \$0 + \$69](https://img.qammunity.org/2021/formulas/mathematics/high-school/q2qjwyxknzip4lzbj33go5xyhyy2w5vv64.png)
![Amount = \$69](https://img.qammunity.org/2021/formulas/mathematics/high-school/177ff078oa5jn6u2zi37h2ml6oei4dxewz.png)
Hence, she had $69 before the purchase