# Chapter 1 - Test - Page 95: 12

21

#### Work Step by Step

$16+9\div3\times4-7\rightarrow$ PEMDOS determines order of operation, divide =$16+3\times4-7\rightarrow$ PEMDOS determines order of operation, multiply =$16+12-7\rightarrow$ PEMDOS determines order of operation, add =$28-7\rightarrow$ PEMDOS determines order of operation, subtract $21$

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