### Home > CCG > Chapter 1 > Lesson 1.1.2 > Problem1-18

1-18.

Calculate the values of the expressions below. Show all steps in your process. Homework Help ✎

1. $\frac { 3 ( 2 + 6 ) } { 2 }$

First find the value of the numbers inside the parentheses.

$\frac{3(2+6)}{2}=\frac{3(8)}{2}$

Simplify the numerator.

$\frac{3 \cdot 8}{2}=\frac{24}{2}$

Last, divide.

$24 ÷ 2 = 12$

1. $\frac{1}{2}(14)(5)$

$35$

1. $7^2−5^2$

1. $17−6·2+4\div2$

$7$