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A customer buys a book that has an original selling price of $38. The book is discounted 25%. The customer must pay a 4% sales tax on the discounted price of the book.

Sagot :

A customer buys a book that has an original selling price of $38. The book is discounted 25%. The customer must pay a 4% sales tax on the discounted price of the book.

we have that

100%-25%=75%=75/100=0.75

so

the payment before the sales tax is equal to

$38*(0.75)=$28.50

100%+5%=105%=105/100=1.05

the payment after the sales tax is equal to

$28.50*(1.05)=$29,93

answer is $29.93

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