Mary spent $45 at the mall. She bought lunch for $9 . She bought 3 shirts at x dollars each. Which of the following equations could be used to find x ?

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BenB asked Jul 8, 2022

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Mary spent $45 at the mall. She bought lunch for $9 . She bought 3 shirts at x dollars

each. Which of the following equations could be used to find x ?

Mathematics
high-school

BenB asked Jul 8, 2022

by BenB

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15 votes

Answer:

3x + 9 = 45

Explanation:

3 shirts at x dollars each cost 3x

lunch costs 9

altogether she spent 3x + 9

she spent 45

3x + 9 = 45

Dario Ferrer answered Jul 15, 2022

by Dario Ferrer

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