A confusing problem

Question

Mr. Dixon bought a whiteboard that was on sale for $1,989.99. The regular price was $2,499.89. Which is the best estimate of the amount of money Mr. Dixon saved by buying the whiteboard on sale? a. $500 b. $1,000 c. $3,000 d. $4,000

Answer 1

Hi Idk I. (cute acronym!),

To estimate, round off each value to a conveniently close big number. Hint: hundreds place works fine! Then do the comparison (subtraction) in your head. Can you do that (IDK!)

-- Cheers, -- Mr. d.