Question

I see that the amount I owe has been reduced from $90.00 to $75.00."Employee: "Yes, the discount has saved you __________." (percentage)

Answer 1

Since we want the percentage that he saved, we have to identify the amount it saved and the total initial amount.

Since the amount reduced from $90 to $75, the initial amount was $90 and the reduction was a total of:

$90-75=15$

Thus, the percentage is the ratio between the reduction and the total:

$\frac{15}{90}=0.1666\ldots\approx0.1667=16.67\%$

So, the amount he saved is approximately 16.67%.