Answer:
n = 0.3
Explanation:
To solve the proportion using cross products, we will follow the steps below;
=

Cross - multiply
0.5 × n = 0.03×5
0.5n = 0.15
Divide both-side of the equation by 0.5
=

(On the left-hand side of the equation, 0.5 at the numerator will be cancel-out by 0.5 at the denominator leaving us with just n while on the right-hand side of the equation 0.15 will be divided by 0.5)
n = 0.3