1. Algebra 1 Section 11.2 Solve percent problems The term “percent” or the symbol “%” means to divide by 100. 25% = 25/100 =.25 6% = 6/100 =.06.75 = 75%.005 =.5%

2. Percent Formula P = B·R P = part of total B = base = total or original amount R = rate(%) What is 40% of 60? What is 80% of 30?

3. examples 12 is 40% of what number? 16 is what percent of 64? If 90% of the 120 students polled said that their favorite class was math, how many preferred math?

4. examples In a survey, 82 out of 176 people said they like spinach. What percent like spinach? A $120 coat is discounted by 40%. What is the discounted price of the coat? The price of gasoline increased from $3.20 to $3.60. What was the percent of the increase?

5. assignment Page 653 Problems 10 – 38 even, 42,60,66