section 3.4

6
Finding Rate

Upload: austine-janus

Post on 01-Jan-2016

20 views

Category:

Documents


1 download

DESCRIPTION

Section 3.4. Finding Rate. Formula for Rate…. Remember… P = B x R to find PART Use R = P ÷ B To find Base (Rate = Part divided by Base) Remember to convert the decimals to percent!. P. B. R. EX: solve for rate. 1. 34 is _____% of 98 2. 100 is ___ % of 290 3. _____ % of 29 is 4. - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: Section 3.4

Finding Rate

Page 2: Section 3.4

Remember… P = B x R to find PART Use R = P ÷ B To find Base

◦ (Rate = Part divided by Base)◦ Remember to convert the decimals to

percent!

P

B R

Page 3: Section 3.4

1. 34 is _____% of 98

2. 100 is ___ % of 290

3. _____ % of 29 is 4

Page 4: Section 3.4

24. There are 55,000 plus words in Webster’s Dictionary, but most educated people can identify only 20,000 of these words. What percents of words in the dictionary can these people identify?

Page 5: Section 3.4

28. Of the 2380 motorcycle riders that participated in a recent bike rally through the California mountains, 2041 were men.

A) Find the percent who were men.

B) What percent were women?

Page 6: Section 3.4

29. In a recent survey of 230 nurses, 159 were unhappy with their jobs due to the difficult working hours and work-related stresses. Find the percent unhappy with their jobs.