Question

look at this picture graph:
pumpkin picking
christine four pumpkin icons
bobby four pumpkin icons
robert four pumpkin icons
leo six pumpkin icons
dustin eight pumpkin icons
quincy seven pumpkin icons
each pumpkin icon = 5 pumpkins
how many more pumpkins did dustin pick than robert?
blank pumpkins

Explanation:

Step1: Count Dustin's pumpkins

Dustin has 8 pumpkins. Each is 5, so total is $8\times5 = 40$.

Step2: Count Robert's pumpkins

Robert has 4 pumpkins. Total is $4\times5 = 20$.

Step3: Find the difference

Subtract Robert's total from Dustin's: $40 - 20 = 20$.

Answer:

20