(0.12 = \frac{12}{100} = \frac{3}{25}). Then (\frac{3}{25} \times 4 = \frac{12}{25} = 0.48).
Visualizing on a : Start at 0, jump 0.12 four times → lands at 0.48. 0.12*4
If the query relates to heavy-duty construction or shipping: and mental math.
While the answer is straightforward, the journey to getting there offers a perfect refresher on decimals, fractions, and mental math. 0.12*4