How do you solve #\frac { x } { 2 2 } = \frac {80 } { 1 0 0 }#?

1 Answer
Jade
Oct 10, 2016

#x=17.6# or #88/5#

Explanation:

Because this is a proportion, cross multiply.

#100xxx=100x#

#22xx80=1760#

So, the equation now looks like:
#100x=1760#

Isolate x by dividing both sides of the equation by 100

#x=17.6# or #88/5#

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