6.5 B Lesson

6.5 B Lesson

Proportions

Open Ended

Jasmine spent an hour cleaning the house. She spent 25 minutes cleaning the bathroom, 20 minutes doing laundry and the rest of the time she spent cleaning the kitchen. What percent of the time did she spend cleaning the kitchen?

What is the percent?

Poll

 Jasmine spent an hour cleaning the house. She spent 25 minutes cleaning the bathroom, 20 minutes doing laundry and the rest of the time she spent cleaning the kitchen. What percent of the time did she spend cleaning the kitchen?

Set up your percent proportion.

•  $\frac{60}{15}=\frac{x}{100}$  

•  $\frac{25}{20}=\frac{x}{100}$  

•  $\frac{20}{60}=\frac{100}{x}$  

•  $\frac{15}{60}=\frac{x}{100}$  

Open Ended

80% of the doctors surveyed believe exercising 30 minutes a day can help you live a healthier life. If 240 doctors believe in exercising, how many doctors were surveyed?

What is the whole?

Poll

80% of the doctors surveyed believe exercising 30 minutes a day can help you live a healthier life. If 240 doctors believe in exercising, how many doctors were surveyed?

Set up your percent proportion

• $\frac{x}{240}=\frac{80}{100}$

• $\frac{240}{x}=\frac{80}{100}$

• $\frac{30}{240}=\frac{x}{100}$

• $\frac{30}{x}=\frac{80}{100}$

Open Ended

Of the 250 cookies at the bake sale 32% of the cookies are gingerbread. How many cookies at the bake sale are gingerbread cookies?

Set up your proportion.