Question

Solve for m:
m/4.2 =7

please show me the steps

Answer 1

m = 29.4

Explanation:

`(m)/(4.2)=7`

`\mathrm{Multiply\:both\:sides\:by\:}4.2`

`(4.2m)/(4.2)=7\cdot \:4.2`

`\mathrm{Simplify}`

`m=29.4`

Check Answer;

`(29.4)/(4.2)`

`\mathrm{Multiply\:the\:numerator\:and\:denominator\:by:}\:10`

`(294)/(42)`

`\mathrm{Write\:the\:problem\:in\:long\:division\:format}`

`42\overline`

`\begin{matrix}\:\:\:\:\:\:\:\:\:\:\emptyspace7\:\:\:\:\:\:\:\:\:\:\:\:\\ 42\overline\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\underline{\emptyspace2\emptyspace9\emptyspace4}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\:\:\emptyspace0\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}`

Hence, m = 29.4

~learn with Lenvy~

Answer 2

`(m)/(4.2) =7\\m = 4.2 * 7 = 29.4`

Hope that helps!