Algebra
posted by Janet .
The Hansons are considering two possible vacation destinations. A trip out west will cost $1075 in total airfare plus an average of %450 per day in expenses. A trip south will cost $1500 in total airefare plus an average of $365 per day in expenses. How many days should they stay so that a trip south is cheaper than a trip west?

Ithink its this
Let d = number of days
then
cost of west trip:
450d + 1075
cost of south trip:
375d + 1500
375d + 1500 < 450d + 1075
1500 < 75d + 1075
425 < 75d
5.67 < d
answer: 6 days or greater
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