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May 25, 2015

Homework Help: 8th grade math

Posted by taya on Wednesday, September 20, 2006 at 8:11pm.

dividing fractions....how do i solve this...
4/9 divided by 2/3=

or

9/10 divided by 9/10=


One thing I do remember is how to divide fractions!

4/9 divided by 2/3 = 4/9 multiplied by 3/2
Then once you've multiplied across, reduce the resulting fraction if you can.

So how will you re-state the second problem?

=)

http://mathforum.org/library/drmath/view/58812.html



Multiplying fraction is the inverse operation of division, so watch this:

4/9 divided by 2/3 is the same as....

4/9 multiplied by 3/2

or 12/18 (needs to be reduced.


7/11 divided by 7/22


Invert the second fraction and multiply across -- what do you get?

??


i need help with my algebra


hi i need help on this math problem:

how many liters of water must be added to 8 liters of a 40% acid solution to obtain a 10% acid solution?


Hi, I am a first year teacher and had problems figuring this out myself until I found great examples at PurpleMath - Lessons and go to the botttom and select Solving word problems - mixtures!!!


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