Question

The table shows the change in the water level (in centimeters) of a reservoir for three months. Find the total change in the water level for the three-month period. Write your answer as a fraction or mixed number in simplest form.
The total change in the water level for the three-month period is (BLANK) centimeters.

Answer 1

Answer:

The total change in the water level is $-\frac{33}{28}$

Step-by-step explanation:

In order to get the total change in something is to add all the numbers together. So, over that three month period, you add -1 3/4-1/28-15/28. SInce you are adding fractions, it helps to have all the denominators the same. Change -1 3/4 into -49/28. (all I did was turn the fraction into an improper fraction then did  $\frac{7*7}{7*4}=\frac{49}{28}$ )

Now that we have all the same denominators, just add them/combine them.

$-\frac{49}{28} -\frac{1}{28} -\frac{15}{28}$ = $-\frac{33}{28}$