How do you solve #\frac { 2} { 15} = \frac { x } { 30}#?

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Answer 1 · 2017-03-13T13:02:29

#x=4#

We can do this a couple of ways. Let's first do it by scaling the left hand fraction:

#2/15=x/30#

#2/15(1)=x/30#

#2/15(2/2)=x/30#

#4/30=x/30#

And so we can see that #x=4#

Another way to find #x# is to cross multiply:

#2/15=x/30#

#15x=60#

#x=60/15=4#