11. Mentally estimate the total cost of items that have the following prices: $1.85, $.98, $3.49, $9.78, and $6.18. Round off your answers to the nearest half-dollar. A. $22.30 B. $22.59 C. $22.50 D. $23.00

11. Mentally estimate the total cost of items that have the following prices: $1.85, $.98, $3.49, $9.78, and $6.18. Round off your answers to the nearest half-dollar. A. $22.30 B. $22.59 C. $22.50 D. $23.00

Rounding off the items to the nearest half-dollar, your estimate of the total cost of these items is $22.50. $1.85 + $.98 + $3.49 + $9.78 + $6.18 = $22.28; $22.28 rounded off to the nearest half-dollar is $22.50.

11. Mentally estimate the total cost of items that have the following prices: $1.85, $.98, $3.49, $9.78, and $6.18. Round off your answers to the nearest half-dollar. A. $22.30 B. $22.59 C. $22.50 D. $23.00

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