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Melanie compared the price of her favorite book at two bookstores, BookWorm and Reading Nook. She found that the ratio of the price at BookWorm to the price at Reading Nook was 15 : 17. If the book cost $51 at Reading Nook, how much did it cost at BookWorm? OPTIONS
A. 40
B. 45
C. 50
D. 55

Respuesta :

altavistard

Write and solve an equation of ratios:


15 x

----- = --------

17 $51


Then 15($51) = 17x, or x = $45 (answer)

The cost of book at BookWorm is Option (B) 45 .

How to find the price of the object using ratio ?

Given that the ratio of the price at BookWorm to the price at Reading Nook was 15 : 17 .

Also given that the book cost $51 at Reading Nook .

The price of the book at BookWorm is -

= 15/17 * $51

=  $45

Thus, the cost of book at BookWorm is Option (B) 45 .

To learn more about ratio, refer -

https://brainly.com/question/255469

#SPJ2

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