If m varies directly as n and m = 18 when n = 6, find m when n = 15​

Sagot :

Answer:

The value of m is 45.

Step-by-step explanation:

Mathematical Equation:

[tex]\LARGE\text{$m=kn$}[/tex]

For the constant of variation (k):

Given:   [tex]m=18[/tex],   [tex]n=6[/tex]

Find:   [tex]k=?[/tex]

Formula:   [tex]m=kn[/tex]

Solution:

[tex]m=kn\\18=6k\\\frac{18}{6}=\frac{6k}{6}\\\boldsymbol{3=k}[/tex]

For the value m:

Given:   [tex]k=3[/tex],   [tex]n=15[/tex]

Find:   [tex]m=?[/tex]

Formula:   [tex]m=kn[/tex]

Solution:

[tex]m=kn\\m=(3)(15)\\\boxed{\boldsymbol{m=45}}[/tex]

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