Answer:
1) 4
2) -11
3) 1
4) -2
Step-by-step explanation:
C=3.14 x 26
C=81.64
C=2(3.14 x 13)
C=81.64
I don't know if you are asking for an equation but if you are, here ya go.
P = $3.95 + $0.85t
when he bought the shirt it brought his card balance to $327.12 and then he split the remaining balance with is brother Jack so you would divide $327.12/2 which is $163.56, so they both got $163.56 after he splits