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enot [183]
3 years ago
13

Miguel decided to buy a cell phone for $150. It is currently on sale for 10% off. When he got to the counter, he got an addition

al 10% off. What is the final cost for the cell phone?
(Use x as your variable for your equation )
Mathematics
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

The final cost price of the cellphone is  $121.5

Step-by-step explanation:

The marked price of the cell phone = $150

Now, sale percentage on the marked price = 10%

Now, 10 % of 150 = \frac{10}{100}  \times 150 = 15

⇒The sale discount on the marked price = $15

So, the  selling price of cellphone = Marked Price - Sale discount

                                                        = $150  - $15  = $135

Now, the second discount offered on $135 is 10%

10 % of 130 = \frac{10}{100}  \times 130 = 13.5

⇒The additional sale discount on the selling price = $13.5

So, the final cost of cellphone = Selling Price - Additional Sale discount

                                                        = $135  - $13.5  = $121.5

Hence, the final cost price of the cellphone is  $121.5

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