alyssaanderson1018 alyssaanderson1018

08-04-2020
Mathematics

contestada

A department store is having a storewide 20% discount sale. The sale price Of an item that has a regular price of Ris S= R - 0.2R. Write the inverse function. What is the regular price for an item that is on sale for $38.40?

Respuesta :

zcra0708 zcra0708

08-04-2020

Answer:

R=48

Step-by-step explanation:

S=R(1-0.2) R = 38.40/.8

S=R(.8) R = 48

R=5/.8

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