Q4. Johnson owns a school supplies store. He is going to sell books at $11 each and pens at $7 each to a school.
a) Write an algebraic expression to find the total revenue if Johnson sells x books and y pens.
b) What is the total revenue if x=50 and y=26? Please answer this please
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Step-by-step explanation:
a) algebraic equation will be=
{ the number of books(x) * the amount of each(11 dollar) }+ {the number of pens (y) * the amount of each (7 dollar)}
equation= (x*11)+(y*7)
b) x=50 and y=26. If we put them in equation
Then, (50*11)+(26*7)
=550+182
=732 dollars.
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