Question

solve for x. grains $\frac{1}{10}$ : 6 mg = grains x : 120 mg
x = grain(s) (type a whole number, proper fraction, or mixed number.)

Explanation:

Step1: Set up proportion equation

$\frac{\frac{1}{10}}{6}=\frac{x}{120}$

Step2: Cross - multiply

$6x = 120\times\frac{1}{10}$

Step3: Simplify right - hand side

$6x=12$

Step4: Solve for x

$x = \frac{12}{6}$

Answer:

$2$