SOLUTION: Say Alex has 7 apples less than Barbara, and Barbara has 2 more apples than Casy, but Casy has 23 apples. How many apples does Alex have?

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Question 254812: Say Alex has 7 apples less than Barbara, and Barbara has 2 more apples than Casy, but Casy has 23 apples. How many apples does Alex have?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a=b-7
b=c+2
c=23
Plug in 23 for c in b=c+2
Solve for b
When you have b plug that in for b in a=b-7 and solve for a