Ratio Proportions Percentage

A plane flies a distance of 2,700 miles in $$4\frac{4}{5}$$ hours. Which of the following are true?

Tommy walks $$\frac{7}{8}$$ miles in $$\frac{1}{4}$$ hour. Stevie walks $$\frac{5}{8}$$ mile in $$\frac{1}{3}$$ hour.

Who walks faster? Why?

Jenna can bike $$\frac{5}{6}$$ miles in $$\frac{1}{3}$$ hours. Jenna can bike (a)   miles in 1 hour.

Jenna can bike $$\frac{5}{6}$$ miles in $$\frac{1}{3}$$ hours. Jenna can bike 1 mile in (a)   hours.

Which of the following equations are proportional?​ ​ ​ ​ (a)  

How much flour would you need to make 48 scones

How many teaspoons of salt are needed for 18 scones?

The chart shows the favorite subjects of students at Clarke N. Johnsen Jr. High. What percent of students prefer mathematics?

If there are 2350 students in the school, how many prefer literature? Round to the nearest whole number.

(a)  

A dress is on sale for 15% off the regular price of 19.99. What is the sale price?