Answer :

Answer: $18.00

Step-by-step explanation:

4.50 x 4 = 18 dollars

Answer: 8.5 or 8.50

Step-by-step explanation:

Put the 0 in Hundredths place, Put the 5 in Tenths place, 4 + 4 = 8

Put the 8 in Ones place. thats all