Answer:
A) 31
Step-by-step explanation:
The difference of low-end values for successive classes is 31. This is the class width.
Complete Question:
Mrs. Roberts plants tomatoes and radishes in the areas shown in the model below.


Which expression is equivalent to the sum of the two areas?
Answer:

Step-by-step explanation:
Given
Represent the area of Tomato with A and area of Radish with B
So:


The sum of the two areas is therefore:

Substitute 35 for A and 28 for B


So, you either represent the model as:

or

Do 9000 times 94%
Add it to 9000
Total sum is your answer
Your answer is going to be 20 19/20