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Savannah was paid $87 for 12 hours of babysitting and $65.25 for 9 hours. What is the constant of proportionality that describes this relationship?

A0.14
B7.25
C12.5
D65

Verified Answer :

Baileyy

The answer is B. 7.25

bcalle

y = kx
87 = k(12)
divide by 12 on both sides
k = 7.25

y = kx
65.25 = k(9)
divide by 9 on both sides
k = 7.25

Letter B

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