A school spent 150 dollars on advertising for a breakfast fundraiser. Each plate of food was sold for 8 point 00 dollars but cost the school 2 point 00 dollars to prepare. After all expenses were paid, the school raised 2,400 dollars at the fundraiser. Which equation can be used to find x , the number of plates that were sold?
Answer
A
10 x plus 150 is equal to 2,400
B
10 x minus 150 is equal to 2,400
C
6 x minus 150 is equal to 2,400
D
6 x plus 150 is equal to 2,400
Explanation
Each plate brought in $8.00, but cost $2.00 to prepare, so the school earned $8 − $2 = $6 per plate before advertising. The $150 advertising cost must be subtracted from the total plate earnings, giving 6x − 150 = 2,400. Therefore, the correct choice is A, “6x minus 150 is equal to 2,400.”
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