Brad sells each cup of lemonade for $0.50 he wrote.
1 answer:
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the question in English
50 t-shirts were sold at 10€ each. What benefit was obtained if the t-shirts were bought at 7€ each?
Let
x---------> the benefit in euros
we know that
therefore
<u>the answer is</u>
The benefit is equal to
X= 134.60, or if you want the equation, 628.35= 89.95+4x
