# Math Post-Test

Subtract. Write the answer as a mixed number.

$11\frac{4}{7} - \frac{19}{28}$

Find the average of 99, 107, 87, 103, and 84.

Add. -16 + (-64) + 64 + (-52)

Multiply. $0.169 \cdot 1.1$

Sales of frozen pizza for a club fundraiser increased from 500 one year to 705 the next year. What was the percent increase?

Add. 502.9513 + 8.987 + 18.64 + 8149.937

Divide. $-140 \div (-7)$

$\frac{11}{24} + \frac{3}{36} + \frac{15}{48}$

John Lee's savings account has a balance of $1,373. After 15 months, what will the amount of interest be at 5.7% per year? Solve for x. $\frac{x}{150} = \frac{4}{25}$ Multiply. $(-8) \cdot (-3) \cdot (-5)$ Divide. Write the answer either as a whole number or as a mixed number. $-2\frac{1}{9} \div 1\frac{1}{2}$ Solve for r. 8r + 7 = 39 Subtract. -13 - (-12) Simplify. $\frac{24}{56}$ Divide: $14.49 \div 6.9$ Subtract. 10.7381 - 0.1879 Evaluate x + y for x = 3 and y = -8 . Simplify. $4 \cdot (2 + 3)^2 - 2 \times (6-4)^2$ An employee was paid$65,552 during the first half of last year. During the second half he was paid \$97,450. How much more was his income during the second half?