sulaimanherring53
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Two months ago, the price, in dollars, of a cell phone was c.
Last month, the price of the phone increased by 10%. Write an expression for the price of the phone last month. Use c as your variable.

Answer this part:
This month, the price of the phone decreased by 10%. Write an expression for the price of the phone this month.

Respuesta :

elijahdglover2009

Answer:

c × 0.90

Step-by-step explanation:

c × 0.90, would be your answer because 10% is equal to 0.10, then you would subtract the 0.10 (10%) by 1 (100%), then multiply c times the 0.90 that you get, to get the decreased number, because you're multiplying by a decimal

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