$\"\"$

\

The direct variation formula is $\"\"$ .

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Multiply: $\"\"$ )

\

Apply division property of equality: If a = b then $\"\"$ .

\

$\"\"$ (Divide each side by 60)

\

$\"\"$ (Cancel common terms)

\

$\"\"$ (Divide: $\"\"$ )

\

The direct variation equation is $\"\"$ . $\"\"$

\

Substitute $\"\"$ in direct variation equation.

\

$\"\"$

\

Apply multiplication property of equality: If a = b then $\"\"$ .

\

$\"\"$ (Multiply each side by 4) \ \

\

$\"\"$ (Cancel common terms) \ \

\

$\"\"$ (Multiply: $\"\"$ ) \ \ $\"\"$

\

Apply division property of equality: If a = b then $\"\"$ .

\

\

$\"\"$ (Divide each side by 3)

\

$\"\"$ (Cancel common terms)

\

$\"\"$ (Simplify) $\"\"$

\

The value of $\"\"$ .