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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? A) 0.14 B) 7.25 C) 12.5 D) 65
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1 vote
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

User Jeff Learman
by
8.0k points

2 Answers

4 votes
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
User Matt Wilson
by
8.2k points
6 votes
The answer is B. 7.25
User Conner Reeves
by
8.6k points
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