Answer:
$9259.26
Explanation:
The school receives $20 on $75.
We can calculate the percentage by using the values.
20/75 = 0.27%
The school recieved 0.27% of the payment.
Now we know the target amount and percentage, we can calculate the principal amount here.
Let x dennote the worth on which the school will recieve 2500 dollars.
![2500 = x * 0.27\\x = (2500)/(0.27)\\ x = 9259.26](https://img.qammunity.org/2020/formulas/mathematics/middle-school/6qopa0cu87nsp3zbajus5f6cywdplg526c.png)
$9259.26 worth of ribbon has to be sold for the school to get $2500 ..