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#