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Jen wants to buy four books: for $10.00, for
$12.00, for $15.00, and for $20.00.
What is the smallest she could pay for these books during the sale?
By what percent would the sale reduce the total cost of these four books?

the sale is buy one book, get 40% on a second one of equal or less value

Respuesta :

rhemadawn
20 + (0.4 × 15) + 12 + (0.4 × 10) = 20 + 6 + 12 + 4 = 42

20 + 15 + 12 + 10 = 57

57 - 42 = 15

15 ÷ 57 × 100 = 1500 ÷ 57 = 26.3

Ans = $42.00, 26% off ...
shubhamchouhanvrVT

The sale reduces the total cost of these four books by 26%. Jet has to pay $42.

What is the percentage?

The Percentage is defined as representing any number with respect to 100. It is denoted by the sign %.

We know that Jen wants to buy four books: for $10.00, for $12.00, for $15.00, and for $20.00.The reduced percentage is calculated as:-

20 + (0.4 × 15) + 12 + (0.4 × 10) = 20 + 6 + 12 + 4 = $42

20 + 15 + 12 + 10 = 57

57 - 42 = 15

15 ÷ 57 × 100 = 1500 ÷ 57 = 26.3%

Therefore, the sale reduces the total cost of these four books by 26%. Jet has to pay $42.

To know more about percentages follow

https://brainly.com/question/24304697

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