Mel bought some shirts for $15 each, Joe bought 3 less shirts than Mel for $18 each together they spent $111 how many shirts did
1 answer:
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Answer:
A
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (- 4, 2) and (x₂, y₂ ) = (3, 9)
m = =
= 1 → A