Question

a brine shrimp is 15 mm long. under a magnifying glass, it looks 90 mm long. what magnification scale was used? hint: scale factor = scaled image dimension / original dimension

Explanation:

Step1: Identify values

Let the original length be $15$ mm and the scaled - length be $90$ mm.

Step2: Apply scale - factor formula

Scale Factor=$\frac{\text{Scaled Image Dimension}}{\text{Original Dimension}}=\frac{90}{15}$

Step3: Calculate the result

$\frac{90}{15}=6$

Answer:

6