Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel. How old is Daniel now
1 answer:
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Answer:
The solutions are (-√6,0) and (√6,0)
(-√5,-1) and (√5,-1)
Step-by-step explanation:
The equations are:
and
We make y the subject in the second equation to get;
We substitute into the first equation to get:
and
The solutions are (-√6,0) and (√6,0)
(-√5,-1) and (√5,-1)
The answer is 1.24. Check the work shown to see how to do it. Hope it helps! :)
