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)

Add. Simplify the answer.

 \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?