Lenny was putting bricks around his porch area. He paid $10 per brick $20 for the mortar to put around the bricks. He spent a total of $470. How many bricks did Lenny pruchase? Equation:

Solution:

Lenny purchased 45 bricks

Step-by-step explanation:

let's call the total amount of bricks x.

(equation) 10x + 20 = 470.

10x = 470-20

10x = 450

x = 45.

Lenny purchased 45 bricks.

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step-by-step explanation:

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