We know that 6000 units are in 5 mL. So, we can set up a proportion to find the unknown mL:
$\frac{8500 \text{ units}}{x \text{ mL}} = \frac{6000 \text{ units}}{5 \text{ mL}}$
Now, we can solve for x:
$8500 \text{ units} \times 5 \text{ mL} = 6000 \text{ units}
Show more…