√5/49+√20/49−2√45/49
1 answer:
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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.
Then left for her 7.28
therefore
She started with $90.00
She arrives with x
Jenny bought 7 T-shirts
x-7*price, so x-7*9.95
The cashier charged her an additional.
Then left for her 7.28
therefore
She started with $90.00