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defon
4 years ago
12

I NEED HELP pLS What is the value of x? (only number values) *

Mathematics
1 answer:
Licemer1 [7]4 years ago
4 0

Answer:

x=-1

Step-by-step explanation:

By adding the bottom lines you can get

2x+11 = x+10

Simplifying this gets you

x=-1

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^^^^^^^^^^^^^^^^^^^^
Sladkaya [172]
<h2>Hello!</h2>

The answer is:

The correct option is:

A) $74.55

<h2>Why?</h2>

To calculate how much does Sonya pay for the four pairs altogether, we need to calculate the original price after the 50% discount and the taxes.

Calculating we have:

PriceAfterDiscount=35*50(percent)=35*\frac{50}{100}\\\\35*\frac{50}{100}=35*0.5=17.5

We have that before the tax, the price of the shoes was $17.5, then, calculating the price after the taxes, we have:

AfterTaxes=17.5(1+6.5(percent))=17.5(1+\frac{6.5(percent)}{100})\\\\AfterTaxes=17.5(1+\frac{6.5(percent)}{100})=17.5*(1+0.065)\\\\AfterTaxes=17.5*(1+0.065)=17.5*1.065=18.637

So, we have that the price after discount and the taxes is $18.637 per each pair of shoes.

Hence, the price for the four pairs of shoes will be:

TotalPrice=4*18.637=74.548=74.55

Have a nice day!

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