500
Ronna has 19 white buttons. She has 8 fewer brown buttons than white buttons. Ronna has 6 more gray buttons than brown buttons. How many buttons does Ronna have in all?
47
Step 1: Find the number of brown buttons.
19 – 8 = 11
Step 2: Find the number of gray buttons.
11 + 6 = 17
Step 3: Find the total number of white, brown, and gray buttons.
19 + 11 + 17 = 47