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10 May, 06:04

The product of 9 and the sum of three times a number and 8 is 180. What is the number? A) 4 B) 6 C) 12 Eliminate D) 18

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  1. 10 May, 06:07
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    Step-by-step explanation:

    Remark

    Remember to read this over a little at a time.

    Start with 3 times a number which is 3x Then go to the sum of 3 times a number and 8 which 3x + 8 Now read 9 * (3x + 8) The result is 180

    9 * (3*x + 8) = 180 Remove the brackets

    27x + 72 = 180 Subtract 72 from both sides.

    27x = 180 - 72 Combine

    27x = 108 Divide by 27

    x = 108/27

    x = 4 Answer
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