How do you solve 3/u=27/162?

4 Answers
Jun 20, 2018

u=18

Explanation:

You just use the x method
3x162=27u
u=486/27
u=18

Jun 20, 2018

3 and u are multiplied by 9 to get the equivalent fraction

162/9=18

so u=18

Jun 20, 2018

u = 18

Explanation:

First of all, you can simplify the right hand side by 27 to get

27/162 = 1 / 6

So, the equation becomes

3/u = 1/6

Multiply both sides by 6u to get

6cancel(u) * 3/cancel(u) = 1/cancel(6) * cancel(6)u

and thus u = 18

Jun 20, 2018

u=18

Explanation:

"since the fractions are equal"

"the numerators/denominators will be equal"

"note that "27/9=3larrcolor(blue)"numerators"

"hence "u=162/9=18

3/18=27/162=1/6