6th Grade Unit 3 Lesson 15

Han spent 75 minutes practicing the piano over the weekend. Priya practiced the violin for 152% as much time as Han practiced the piano. How long did she practice?

Answer explanation

Priya practiced for 152% of Han's 75 minutes. Calculate 152% of 75: (152/100) * 75 = 114 minutes. Therefore, Priya practiced for 114 minutes.

Complete each statement. 20% of 60 is ______

Complete each statement. 25% of ______ is 6

Complete each statement. 50% of 90 is ______

Complete each statement. 10% of ______ is 7

Complete each statement. 30% of 70 is ____

On a field trip, there are 3 chaperones for every 20 students. There are 92 people on the trip. Answer these questions. If you get stuck, consider using a tape diagram. How many chaperones are there?

Answer explanation

There are 92 people total, including students and chaperones. Let x be the number of chaperones. The ratio of chaperones to students is 3:20. Thus, 20x/3 + x = 92. Solving gives x = 12 chaperones.