Problema Solution
john and adrianne are both saving money. john has already saved $100 and plans to save $15 a week. adrianne has already saved $40 and plans to save $25 a week. after how many week of saving will both john and adrianne hhave saved the same amount money?
Answer provided by our tutors
Let 'x' represent the number of week.
After x weeks John will have: 100 + 15x
After x weeks Adrianne will have: 40 + 25x
100 + 15x = 40 + 25x
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click here to see the equation solved for x
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x = 6 weeks
In 6 weeks John and Adrianne will have the same amount of money.