Emily buys a toaster during the sale of 10% off if Ellen pays $36 what was the original price?

Mathematics

2 answers:

GaryK [48]3 years ago

3 0

Answer:

$40 was the original price.

Step-by-step explanation:

10% = 0.1

36 / (1 - 0.1) = 40

Tema [17]3 years ago

3 0

Answer:

$40

Step-by-step explanation:

Original price - discount = sales price

discount = original price * percent off

Substituting this in

Original price - original price * percent off = sales price

Factor out the original price

Original price (1-percent off) = sales price

We know the sales price = 36

and we know the percent off = 10 percent = .1

Substituting in

Original price (1-.1) = 36

Original price (.9) = 36

Divide both sides by .9

Original price *.9/.9 = 36/.9

Original price = 40

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