you can buy 5 books and have a $1 left over I think Hope this a helps! :D
A, B, D are functions.
(First, second, and fourth response)
You can see which is function since for everyone input only has one value. You can also use the vertical line test.
30 × 5 = 150
150 - 110 = 40
40 ÷ 2 = 20
So 20 kids brought their own lunch
Hope this helped. Have a great day!
Answer:
$182.60
Step-by-step explanation:
