Question

look at the data in the table. how many books are needed to complete the picture graph?
books read
dean 8
gina 4
rita 7
vance 3
books read
dean
gina
rita
vance
= 1 book
8
7
3
1

Explanation:

Step1: Calculate Gina's missing books

Gina needs 4 total, has 4. $4 - 4 = 0$

Step2: Calculate Rita's missing books

Rita needs 7 total, has 0. $7 - 0 = 7$

Step3: Calculate Vance's missing books

Vance needs 3 total, has 3. $3 - 3 = 0$

Step4: Sum all missing books

Add the gaps: $0 + 7 + 0 = 7$

Answer:

7