7.5 percent of decrease 1

Lesson 7.5 , For use with pages 366-369 Use a percent proportion. 1. 42 is 75% of what number? 2. 294 is what percent of 140 ?

Lesson 7.5 , For use with pages 366-369 Use a percent proportion. 1. 42 is 75% of what number? 2. 294 is what percent of 140 ? ANSWER 56 ANSWER 210%

Percent of Decrease 7.5 Applications of Percents Real Life Situations

Essential Questions ,[object Object],[object Object],[object Object]

Percent of Decrease ,[object Object],[object Object]

Percent of Decrease ,[object Object]

Percent of Decrease ,[object Object],[object Object],[object Object],[object Object],[object Object],x = 16 2/3% 300x 50( 100) = 300x 5,000 = 300 300

Percent of Decrease ,[object Object],[object Object],x = 30% 9 29.95 = x 100 29.95x 9( 100) = 29.95x 900 = 29.95 29.95

Percent of Decrease ,[object Object],x = 13.725 or $13.73 x = 41.2425 or $41.24 $54.99 - $13.73 = $41.24 x 54.99 = 25 100 100x 25( 54.99) = 100x 1,372.5 = 100 100 x 54.99 = 75 100 100x 75( 54.99) = 100x 4,125.25 = 100 100

[object Object],[object Object],x = $124 99.20 x = 80 100 80x 99.20( 100) = 80x 9,920 = 80 80

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

7.5 percent of decrease 1

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