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Bogdan [553]
3 years ago
10

You earn $42 for washing 7 cars. How much do you earn for washing one car? How much do you earn for washing 3 cars? How much do

you earn for washing 5 cars?
Mathematics
1 answer:
adell [148]3 years ago
3 0

Answer:

6

18

30

Step-by-step explanation:

Divide 42 by 7 to determine that you earn 6 dollars per car that you wash.

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<span>Four times the square of a certain number increased by 6 times the number equals 108.

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The numbers can be either of the following since the equation generated was a quadratic equation which has two roots.
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