Answer
$17$.
Work Step by Step
The given expression is
$=\frac{1}{2}+\frac{3}{4}(7+15)$
Perform the operations in the parentheses first.
$=\frac{1}{2}+\frac{3}{4}(22)$
Multiply.
$=\frac{1}{2}+\frac{66}{4}$
Reduce the fraction to get a common denominator.
$=\frac{1}{2}+\frac{33}{2}$
Add the numerators.
$=\frac{34}{2}$
Reduce the fraction.
$=17$.
