Problema Solution
This month, John has 500 pimples on his face while Mary has 660 pimples on hers. Every month, John grows five pimples while Mary grows three pimples. At this rate, how many months will it take John and Mary to have the same amount of pimples on their faces?
Answer provided by our tutors
Let 'x' represent the number of months.
500 + 5x = 600 + 3x
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click here to see the equation solved for x
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x = 50 months
In 50 months John and Mary will have the same amount of pimples on their faces.