SOLUTION: 16. Karen is eleven years less than four times John's age. If Karen is 49, how old is John? 17 13 11 15

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Question 656701: 16. Karen is eleven years less than four times John's age. If Karen is 49, how old is John?
17
13
11
15
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
let x be Karen's age and y John's age
Karen is eleven years less than four times John's age:
x%2B11=4y.......1
If Karen is 49,
x=49..........2....plug it in equation 1
49%2B11=4y.......1..solve for y
60=4y
60%2F4=y
15=y
John is 15- years-old