Answer:
First use the protractor then round the number to the nearest 10
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Step-by-step explanation:
10x-2x-20+4 is incorrect
Call the number we need to find a.
Inequality: (12 + a) ÷ 2 < 27
<=> 12 + a < 54
<=> a < 54 - 12
<=> a < 42
