Brock is a plumber. He charges a flat rate of $40 to visit a house to inspect it's plumbing. He charges an additional $20 for ev
ery hour he spends inspecting or making repairs.
Which graph below correctly shows the price of using Brock's plumbing service vs time?
2 answers:
W is correct. the red line starts at 40 which is the initial fee
then it crosses 60 and 1.0 and 80 at 2.0 which is 20 dollars for 1 hour
It would be graph W because the cost will increase, so that gets rid of Y... It has to start at 40 for the original cost, getting rid of Z and X
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Total = amount Amy has(A) + amount Ruben has(R) + amount Sam has(S)
S = 3 * R
R = A + 9
S = 3 * (A+9)
S = 3A + 27
71 = A + (A + 9) + (3A + 27)
71 = 5A + 36
5A = 35
A = $7
R = A + 9
R = 7 + 9
R = $16
S = 3 * R
S = 3 * 16
S = $48
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Answer:
1/12
Step-by-step explanation:
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Answer:
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Step-by-step explanation:
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