Unit Rate and proportion word problems

Solve the Proportion

 $\frac{3}{5}=\frac{x}{15}$  

Solve the Proportion

 $\frac{3}{5}=\frac{15}{x}$  

Solve the Proportion.  Kifford was flying at a pace of 1000 miles in 5 hours.  What was his flying pace as a Unit Rate?

Mr. Cain can grade 10 assignments in 1 minute.  Which of the following rates would be equal in proportion to this unit rate?

• 40 assignments total

• 40 assignments in 1 minute

• 40 assignments in 4 minutes

• 40 assignments in 4 hours

What percent of 80 is 30?

20 percent of what number is 60?

What is 20 percent of 60?

Samara can finish 50 math problems in one hour.  What is this as a unit rate?

Solve the Proportion

 $\frac{.9}{1}=\frac{x}{2}$  

Solve the Proportion

 $\frac{5}{100}=\frac{x}{20}$