First of all, how do you buy exactly 15.5 pizzas?
what is a 0.5 pizza?
anyway
cost=cost per pizza times number of pizzas
cost per pizza=10.50
number of pizzas=15.5
cost=10.50 times 15.5
cost=162.75
total cost is $162.75
15 I helped someone with this question already so I know its right
Gram
miligram
..................................
It is divisible by 1, 2, 3, 4, 5, 6, 8, 10