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cathy bought a pair of jeans that were on sale for $30.40. the jeans had an original price of $38. which equation down below could be used to find the dollar amount of the discount, y, based on the original price, x?

A. y = 0.2x
B. y = 0.8x
C. y = 1.25x
D. y = 7.6x​

Respuesta :

  • Answer:

B.  y = 0.8x

  • Step-by-step explanation:

Hi there !

$38 ............. 100%

$30.4 ...............x%

x = 30.4×100/38 = 3040/100 = 80% = 80/100 = 0.8

y = 0.8x

Good luck !

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