Ai bought three books for 8.71, 14.12, and 21.92 dollars. What is the best estimate for the total cost of the books?
The three books were bought at ;
$ 8.71 , $14.12 and $21.92
To get the total cost, add the prices for the books as:
${ 8.71 + 14.21 + 21.92}
=$