IM 6.3.15 Practice: Finding This Percent of That
To find 40% of 75, Priya calculates . Does her calculation give the correct value for 40% of 75? Explain or show how you know.
If represents a number, does always represent 40% of that number? Explain your reasoning.
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?
Tyler practiced the clarinet for 64% as much time as Han practiced the piano. How long did he practice?
Last Sunday 1,575 people visited the amusement park. 56% of the visitors were adults, 16% were teenagers, and 28% were children ages 12 and under. Find the number of adults, teenagers, and children that visited the park.
Order from greatest to least:
Complete the statement.
20% of 60 is ________
25% of ________ is 6
________% of 100 is 14
50% of 90 is ________
10% of ________ is 7
30% of 70 is ________
A shopper needs 24 sandwich rolls. The store sells identical rolls in 2 differently sized packages. They sell a six-pack for $5.28 and a four-pack for $3.40. Should the shopper buy 4 six-packs or 6 four-packs? Explain your reasoning.
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?
How many children are there?