madelinedibble1227 madelinedibble1227

10-01-2020
Mathematics

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The sum of a number 1/6 of that number 2 1/2 of that number and seven is 12 1/2 find the number

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texaschic101 texaschic101

10-01-2020

Answer:

Step-by-step explanation:

x = the number

x + 1/6x + 2 1/2x + 7 = 12 1/2

3 + (1/6 + 1/2)x = 12 1/2 - 7

3 + (1/6 + 3/6)x = 5 1/2

3 2/3x = 5 1/2

x = (11/2) / (11/3)

x = 11 / 2 * 3 / 11

x = 3/2

x = 1 1/2

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