Find three consecutive even integers such as that their sum decreased by the third integer is 82.

James is twice as old as keziah. Three yrs ago james was thrice as old as keziah. How old are james and keziah now?

Maria's father is three times as old as maria. Six yrs ago, her father's age was five times her age, how old are they now?

PLEASE HELP ME this is a take-home quiz and I cant copy my classmate's answers tomorrow 'cause if I get caught I will automatically fail

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Answers

2014-03-07T22:12:21+08:00
1.
x = first even integer
x + 2 = second even integer
x + 4 = third even integer

(x+x+2+x+4) - (x + 4) = 82
3x + 6 - x - 4 = 82
2x + 2 = 82
2x = 80
x = 40

So, x = 40, x + 2 = 40 + 2 = 42 and x + 4 = 40 + 4 = 44.  gets?
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