What is the answer A 3-pack of light bulbs costs $3.45. A 4-pack of the same light bulbs costs $4.20. Which pack has better value?

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The pack with the better value is the 4 pack!

$3.45/3 = 1.15 per bulb

$4.20/4 = 1.05 per bulb

Step-by-step explanation:

use substitution to solve each system of equations. y = x + 5 3x + y = 25 62/87,21 y = x + 5 3x + y = 25 substitute x + 5 for y in the second equation. substitute the solution for x into either equation to find y. the solution is (5, 10)

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step-by-step explanation:

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