SOLUTION: c=30t+20
90=30t+20
70=30t
t=2 1/3
Cost for 7 month
c=20+(30x7)
c=20+210
c=$230
Algebra.Com
Question 270217: c=30t+20
90=30t+20
70=30t
t=2 1/3
Cost for 7 month
c=20+(30x7)
c=20+210
c=$230
Answer by stickkens(2) (Show Source): You can put this solution on YOUR website!
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