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Answered

Jenny bought 7 t-shirts, one for each of her 7 brothers, for $9.95 each. The cashier charged her an additional $13.07 in sales tax. She left the store with a measly $7.28. Hpw much money did Jenny start with?
Use S.O.L.V.E.D method

Jenny bought 7 tshirts one for each of her 7 brothers for 995 each The cashier charged her an additional 1307 in sales tax She left the store with a measly 728 class=


Answer :

D3xt3R
It's simple, first you have to read the text, let's start.

She arrives with x

Jenny bought 7 T-shirts

x-7*price, so x-7*9.95

The cashier charged her an additional.

[tex]x-7*9.95-13.07[/tex]

Then left for her 7.28

therefore

[tex]x-7*9.95-13.07=7.28[/tex]

[tex]x-69.65-13.07=7.28[/tex]

[tex]x-82.72=7.28[/tex]

[tex]x=7.28+82.72[/tex]

[tex]\boxed{\boxed{x=\$90.00}}[/tex]

She started with $90.00