Math
posted by Rroyd .
. Suppose you moved to another place where the cost of living was higher, but your job paid more there. If a new job at a different place doubled your income per year but also doubled your cost of living per year, then assuming your income per yearstandard of living > 0, would you have more money, less money, or the same amount of money left over than before? Prove your answer.

Math 
bobpursley
let this be the original place
IncomeExpenses=residue savings
let this be the new place
2*income2*expenses= 2(Incomeexpenses)=2*residue
so your savings is twice as much.
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