You wish to mentally estimate the total cost of items that have the following prices: $1.85, $.98, $3.49, $9.78, and $6.18. Rounding off the items to the nearest half-dollar, your estimate of the total cost of these items is

A. $22.50.
B. $23.00.
C. $22.30.
D. $22.59.

Question

You wish to mentally estimate the total cost of items that have the following prices: $1.85, $.98, $3.49, $9.78, and $6.18. Rounding off the items to the nearest half-dollar, your estimate of the total cost of these items is 
 
     A. $22.50. 
B. $23.00. 
C. $22.30. 
D. $22.59.

mathmale · Answer

Given $1.85, what is the "nearest half dollar?"  Would you round up, or down?  Why?
Same questions for $6.18.  Up?  Down?   Why?