Question

hot cocoa sales
how many more cups of hot cocoa did percy sell when the temperature was 30°f than when the temperature was 50°f?
more cups

Explanation:

Step1: Find sales at 30°F

From the graph, at 30°F, the number of cups of hot - cocoa sold is 70.

Step2: Find sales at 50°F

From the graph, at 50°F, the number of cups of hot - cocoa sold is 48.

Step3: Calculate the difference

Subtract the number of cups sold at 50°F from the number of cups sold at 30°F. $70 - 48=22$.

Answer:

22