An 8-pound bag of apples costs $17.50 What is the unit price?
Unit price is such that 1 lb costs $2.19 to 2 decimal places
Consider the word 'unit' in unit price.
In this context we need the price of unit measurement apples.
As the measurement for apples is in pounds we need to find the cost of 1 pound.
Using ratio but in fractional form we have:
But we need the cost of
In ratios, to maintain the correct proportion if I divide the bottom by 8 I must do the same to the top.
So the cost of
Rounding to 2 decimal places this is