Exam 6: Percent

Find the unknown number in each proportion. - $\frac{x}{40}=\frac{4 \frac{4}{5}}{9}$

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. -Compare in nickels: 9 dimes to 7 quarters.

Find the unknown number in each proportion. - $\frac{27}{18}=\frac{x}{42}$

Set up and solve a proportion for each application problem. -On a map, 1 inch represents 25 miles. How long will a distance of 550 miles be on the map?

Find the unknown number in each proportion. - $\frac{28}{48}=\frac{x}{12}$

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. -Find the best buy on coffee. You have a coupon for $75 \phi$ off on Brand $\mathrm{X}$ and a coupon for $60 \phi$ off Brand $\mathrm{Y}$ .

Set up and solve a proportion for each application problem. -If 1 inch on a blueprint represents 18 inches of actual length, what is the actual length of a wall that is $8 \frac{1}{2}$ inches on the blueprint?

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. - $\$ 24$ for 144 minutes

Find the unknown number in each proportion. - $\frac{45}{x}=\frac{5}{7}$

Determine whether each proportion is true or false. - $\frac{1.1}{1.4}=\frac{6.7}{8.4}$

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. - $\$ 20$ for 100 minutes

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. -Compare in feet: 10 yards to 9 feet.

Set up and solve a proportion for each application problem. -Which of the following is not a ratio?

Set up and solve a proportion for each application problem. -If 3 bottles of ketchup cost $\$ 11.49$ , how much will 7 bottles cost?

Set up and solve a proportion for each application problem. -If 5 containers of yogurt cost $\$ 1.85$ , how much will 12 containers cost?

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. -Find the best buy on syrup. You have a coupon for $75 \phi$ off Brand X and a coupon for $50 \phi$ off Brand Y. 24 ounces of Brand $\mathrm{X}$ for $\$ 6.29$ 30 ounces of Brand $Y$ for $\$ 7.39$ 16 ounces of Brand $\mathrm{Z}$ for $\$ 3.69$

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. -The home team bleachers seat 1050 people. The visitor bleachers seat 420 people. Find the ratio of home team bleachers to visitor bleachers.

Set up and solve a proportion for each application problem. -Explain in your own words why a ratio is expressed without writing the units.