Posted by Scott on Monday, May 3, 2010 at 2:35pm.
I posted this problem earlier and you answered it for me. The teacher said the correct answer is 3+2y/74y. How is that the answer. Below is what you did earlier
3/(y+2) / (7/y4))
= 3/(y+2) * (y4)/7
= (3y12)/(7y+14) or
3(y4)/[7(y+2)]

MathReiny  Reiny, Monday, May 3, 2010 at 3:48pm
You had typed :
3/y+2 over 7/y4
or as I read it
3/(y+2) / 7/(y4)
Unless you made a typing error, my answers stands
If your teacher claims the answer is
3 + 2y/74y, do you mean (3+2y)/(74y)
we can test this with any number, why not y = 0
original value = 3/(0+2) / 7/(04)
= (3/2) / (7/4)
= (3/2)(4/7) = 12/14 = 6/7
my answer:
3(04)/[7(0+2)] = 12/14 = 6/7
your teachers's answer
(3+0)/(70) = 3/7
mmmhhh?
check your typing
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