Problem
Solve the problem. 10 points Save Ar A \( 12 \mathrm{~g} \) package of coffee costs Dhs 2.55. Find the unit price in fils per grams. Round to the nearest hundreth of a fils. 0.21 fils/g 21.25 fils \( / \mathrm{g} \) 2.13 fils/g 4.71 fils/g
Solution
Step 1 ：\( \text{Unit price} = \frac{\text{Total price}}{\text{Mass}} \)
Step 2 ：\( \text{Unit price} = \frac{\text{Dhs 2.55}}{12 \mathrm{~g}}\)
Step 3 ：\( \text{Unit price} = 21.25 \text{ fils/g}\)
