Question

1. answer these questions based on the graph above.

a. how much rain fell in mar of 1989?
b. how much more rain fell in feb of 1990 than in feb of 1989?
c. which year had the most rainfall?
d. what is the wettest month on the graph?

Explanation:

Step1: Read rainfall for Mar 1989

From the graph, rainfall in Mar 1989 is 4 inches.

Step2: Read rainfall for Mar 1990

From the graph, rainfall in Mar 1990 is 2 inches.

Step3: Calculate difference for Mar

Subtract rainfall of Mar 1990 from Mar 1989: $4 - 2=2$ inches.

Step4: Read rainfall for Feb 1989

From the graph, rainfall in Feb 1989 is 2 inches.

Step5: Read rainfall for Feb 1990

From the graph, rainfall in Feb 1990 is 6 inches.

Step6: Calculate difference for Feb

Subtract rainfall of Feb 1989 from Feb 1990: $6 - 2 = 4$ inches.

Step7: Determine wettest year

Compare total rainfall for each year (by summing monthly values visually). 1990 has higher overall rainfall.

Step8: Determine wettest month

By observing the graph, May has the highest rainfall value for both years combined.

Answer:

a. 2 inches
b. 4 inches
c. 1990
d. May