Kayson mixes 300 milliliters (mL) of spinach, 200 mL of berries, and 42 mL of dressing to make a salad.
There are s milligrams (mg) of vitamin C per milliliter of spinach, b mg per milliliter of berries, and dmg per
milliliter of dressing.
Which expressions can we use to describe how many milligrams of vitamin C are in the salad?
What’s the answer?