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sweet-ann [11.9K]
3 years ago
13

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?
A) 0.14
B) 7.25
C) 12.5
D) 65
Mathematics
2 answers:
Anna007 [38]3 years ago
4 0
The answer is B. 7.25
Irina18 [472]3 years ago
4 0
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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