At a used book sale, Miss Chen bought a box of 20 assorted books for $40. What was the cost per book?(1 point)
Responses
$2.00/book
$2.00/book
$0.50/book
$0.50/book
2 books/$1.00
2 books/$1.00
0.5 books/$1.00
1 answer
$2.00/book