Rates, Ratios, Percent, Conversions (Proportion Problems)

​Any problem that compares two units, can be solved with a proportion.

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​Ex) -$ per pound of apples

​ -% and total students

​ - centimeters and feet

​ - miles traveled per hour

​ - part and whole relationshps

​The scale on a map is 2 cm = 25 miles. Dave measured the distance to the next town at 5 cm. How many miles away is the next town?

​The student council hosted a bake sale. Of the 40 items brought to sell, 18 were brownies. What percent of the bake sale were brownies?

​Mr. Thomas drank 2 liters of Dr. Pepper over the weekend. There are approximately 29.6 milliliters in 1 fluid ounce. Which measurement is closest to the number of fluid ounces in 2 liters?

Mrs. Massey drank 5 liters of Pumpkin Spice lattes last fall. There are approximately 29.6 milliliters in 1 fluid ounce. Which measurement is closest to the number of fluid ounces in 5 liters?