Which of the following items has the lowest unit price

3 for $2.19

4 for$3.00

5for $3.50

$0.72 each

5 for $3.50 has the lowest unit price because 3 for $2.19 is $0.73 per item, 4 for $3.00 has a in it price at $0.75, 5 for $3.50 has a unit rate for $0.70 per item, and $0.72 per item is more expensive than $0.70 per item