KNAT Practice Exam 1 Math

The number 14 is 25% of what value?

If a taxi costs $8.00 plus $3.85 per mile (m) and a customer needs to travel 14 miles, select the equation that represents how much will their cab fare cost.

Add.

\(1\frac{1}{6}+1\frac{4}{5}\)

Change 62% to a fraction. Reduce completely.

Solve for the variable.

\( \frac{63}{a} + 3 = 10 \)

A patient receives 1,200 mL of fluid every 4 hours over the course of 24 hours. How much total fluid does the patient receive in one day?

\(\textbf{Change}\: \frac{7}{4}\: \textbf{to a percent.}\)

Subtract.

\(\frac{3}{4}-\frac{1}{2}\)

Solve for the value of x.

4:5 :: x:85

Multiply.

\(\frac{6}{7} \times \frac{7}{10}\)

Eric buys 2 ⅖ pounds of apples each week for four weeks. How many total pounds does he buy?

Solve the equation for the unknown.

\(\frac{x}{2}+5=8\)

What is 12 out of 240 as a percent?

A doctor writes a prescription for his patient for 200 milligrams (mg), but the pharmacy technician only has the medicine available in grams. How many grams (g) will the pharmacy technician need to fill the order?

A person has $250 in a checking account and writes checks for $70, $85, $60, and $100. There is also a fee of $20. What is the balance of the account?

Multiply.

\(3\frac{1}{5} \times \frac{5}{8}\)

A toy company manufactures two cycles of a toy with the same percentage of error for each production cycle. If they make 450 toys and 45 have errors, how many toys will be made in error if they only made 300 toys in the second cycle?

What is 15% of 120?

A mechanic purchases 18 gallons of oil to complete a number of oil changes. If he needs ³⁄₁₀ of a gallon of oil for each car, how many oil changes can he do before he runs out?

Convert ⅙ to a decimal. Round to the nearest hundredth. 

A construction site manager buys each of his workers a box of 500 nails to keep in their belt while they work. One worker uses ¼ of a box, while the other workers use ⅖, and ⁹⁄₁₀. How many nails are left between all of the workers?

Solve for x.

9x + 17 = 62

A doctor wrote a prescription to give a patient the pills that are only 10 milligrams (mg) each. If the patient receives a prescription for a total of 1.5 grams, how many total pills will the patient have to take?

What is the product of 3:2 and 90% ?

Change 0.82 to a fraction. Reduce completely.

Divide.

\(\frac{8}{9}\div \frac{5}{7}\)

Subtract.

\(2\frac{1}{4}-\frac{1}{5}\)

Which is different from the others?