Question

a store offers a discount of 10% to a customer who spend more that $20. if a customer's total bill is $80, what he actually pay?

Answer 1

Given data:

The given discount offered is d=10%.

The given amount is A=$80.

The expression for the actual pay is,

`\begin{gathered} P=(100-10)/(100)(80) \\ =0.9(80) \\ =72 \end{gathered}`

Thus, the actual pay is $72.