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7 June, 14:54

The equation 10x + 12 = $72.00 shows the total cost for x people attending a concert. How many people attended the concert

A) 4 people

B) 5 people

C) 6 people

D) 8 people

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  1. 7 June, 15:16
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    10x + 12 = 72

    10x + (12 - 12) = (72 - 12)

    10x = 60

    10x / 10 = 60 / 10

    x = 6

    Answer: C) 6 people
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