Sonya buys four pairs of shoes on sale for buy one, get one 50% off. the sales tax is 6.5%. if the original price for each pair of shoes was $35, how much does sonya pay for the four pairs altogether?

Sonya pays $111.825 for the four pairs altogether.

Step-by-step explanation:

The original price for each pair of shoes was $35.

The sale offers "buy one, get one 50% off".

That means, for first two pairs of shoes, the total original price  

Similarly, for next two pairs of shoes, the total original price  

So, the total original price for 4 pairs of shoes  

The sales tax is 6.5% . So, the amount of sales tax  

Thus, the total amount Sonya need to pay for the four pairs altogether

i would have to say it is c.

no, the equation would be invalid since they are both not equal.

step-by-step explanation:

here you got

4y-6+4y 2-9

first, you would simplify the equation on the form.

4y-6+4y 2-9

then, move all the terms that contains a y to the left and all the other terms to the right.

+4y-4y+-9-6

finally, you will simplify the left and the right side of the equation.

y=-3