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Find the percent of a number Objective Find the percent of a number Example 7-3b
Vocabulary None Example 7-3b
Example 1 Find the Percent of a Number Lesson 7 Contents
Translate English to math Find 8% of 125. “find” translates to x = x = 125 Bring down 8% Answer: “of” means multiplication x = 10 Bring down the 125 Multiply by using calculator NOTE: The % key is the “shift” the 2 1/3 Example 7-1a
Find 6% of 150. Answer: x = 9 1/3 Example 7-1c
Translate English to math Find 125% of 64. “find” translates to x = Bring down 125% x = 125% 64 “of” means multiplication Answer: x = 80 Bring down the 64 Multiply using calculator 2/3 Example 7-2a
Find 175% of 240. Answer: x = 420 2/3 Example 7-2c
Write a percent equation LANGUAGES The graph to the right shows that 30% of the people in a community speak Spanish as their first language. If a community has 800 people, how many people can be expected to speak Spanish as their first language? Find 30% of 800 Write a percent equation 3/3 Example 7-3a
Translate English to math Find 30% of 800 “find” translates to x = Bring down 30% x = 30% 800 “of” means multiplication Bring down the 800 x = 240 Multiply using a calculator 3/3 Example 7-3a
Add dimensional analysis x = 30% 800 how many people can be expected to speak Spanish as their first language? Find 30% of 800 Add dimensional analysis x = 30% 800 Answer: x = 240 people to speak Spanish 3/3 Example 7-3a
Answer: x = 66 students consider baseball * SPORTS The graph below shows that 22% of the students stated that baseball was their favorite sport. If the seventh grade class has 300 students, how many can be expected to consider baseball their favorite sport? Answer: x = 66 students consider baseball 3/3 Example 7-3b
Assignment Lesson 10:7 Percent of a Number 11 - 29 All End of Lesson 7