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andrezito [222]
3 years ago
15

Jake washes cars. On monday he washed 18 cars for $90. On tuesday he washed 9 cars for $45. On wednesday he washed 12 cars for $

60. What is the rate of change of Jakes earnings?
Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
6 0

See attachment for reply.

chubhunter [2.5K]3 years ago
3 0

Answer:

the rate  of change is 5

Step-by-step explanation:

$90 / 18 cars = $5 per car

$45 / 9 cars = $5 per car

$60 / 12 cars = $5 per car

That means the rate of change is 5 (5/1)

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3.68 x 10^-1

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Joey decides to empty his piggy bank and count his money. His bank is filled with only nickels and dimes. Joey counted a total o
xxTIMURxx [149]

Answer:

Joey has 18 nickles and 27 dimes in his piggy bank.

Step-by-step explanation:

1 nickle = 5 cents

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5 0
2 years ago
Please help in Math!? What value of y makes the equation true?
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\frac{-7}{12} = \frac{y}{-36}

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Second, multiply both sides by 36. / Your problem should look like: -21=-y
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Fourth, switch your sides. / Your problem should look like: y = 21

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Step-by-step explanation:

hope this helps.

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