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Marty is 31 years younger than 6 times his friend Warren's age. The sum of their ages is less than 11.
What is the oldest age Warren can be?

Respuesta :

texaschic101
m = 6w - 31
m + w < 11

6w - 31 + w < 11
7w - 31 < 11
7w < 11 + 31
7w < 42
w < 42/7
w < 6

oldest age warren can be is 5...but I do not see how that is possibly because if warren is 5, then marty is : 6(5) - 31= 30 - 31 = -1

unless u make warrens age 5 1/2....making warrens age 2...wait, that wont work because u need a whole number

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