Applications of Percent The word "percent" means Example 1: a) Calculate 16% of 85
b) 18% of what number is 50? c) What percent of 65 is 0.13?
Example 2: The price of an 8 GB iPod touch is $111.99 after a 44% discount. What was the original price of the iPod touch?
Example 4: Based on current cancer rates, 19 out of 50 Canadian women will develop cancer during their lifetime and 43 out of 100 Canadian men will develop cancer during their lifetime.
Predict how many women out of 700 are likely to develop cancer.
Example 3: A fertilizer contains nitrogen, phosphorus, and potassium in the ratio 35:20:14 by mass. This means that 35% is nitrogen, 20% is phosphorus, and 14% potassium. Calculate the mass of each element in a 10‐kg bag of fertilizer.
Example 5: Seven out ten people prefer coffee over tea. How many would prefer coffee over tea in a group of 130 people?
Homework: Pg. 237: #4 ­ 8 and W.S.
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