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
The interest would be $123.5
<span>x = 2, y = 1
= 3*2 + 7*1
= 6+7
= 13
Hence, (2, 1) is the answer.</span>
C
This is because none of the numbers can be divided by any number other than themselves or 1.
Solution: The total money did addison have to begin with is $29.
Explanation:
Let the addison begin with money $x.
It is given that the addison earn $25 from his neighbor and $50 from her grandmother. So total money addison has 
She loaned her friend %18.
Now she has 
It is given that she had $86.

Therefore, the total money did addison have to begin with is $29.