4.4/20=0.22 per item
4.8/24=0.2 per item
Answer: 24 for 4.80
The vertical line test is when you put vertical lines down the graph and if the point does not touch the line more than once, it passes and represents a function.
Point two one nine, however, decimals below 1 usually have a zero before the decimal point.
Natural number
that is 1,2,3,4,5,6...