Percents
1. Where does the 100% go when setting up a percent proportion?
On the Bottom right side
6. Steve packs 25 boxes in 2 hours. How many boxes can he pack in 8 hours?
100 boxes
11. Complete Table NUMBER ONE on your paper
15 and 18
16. Simplify this Ratio to its SIMPLEST form:
16:8
2:1
21. Is a Zillion a real number?
NO!
2. 5% of of students at Driscoll Middle School have red hair. There are 300 students at Driscoll.
How many students have Red Hair?
Hint: Set up a proportion!
15 students
7. Amalia bakes cupcakes. The ratio of servings of cupcakes to cups of flour used is 12 to 4. There are 60 servings of cupcakes on the table. How many cups of flour were needed?
[HINT: Set up a proportion]
20 cups of flour
12. Complete table NUMBER TWO on your paper
15 and 20
17. There are 140 girls at Driscoll middle school. There are 200 boys. What is the ratio of TOTAL students to girls?
[HINT: Add]
340:140
22. If 5 bags of chips cost $45, how much does 2 bags of chips cost?
$18
3. Show the correct way to set up a percent proportion. Include labels!
Part [Blank] Percent
______ = _______________
Whole 100 Percent
8. Ms. Wages traveled 400 miles in 2 hours. How many miles did she travel in 5 hours?
1,000 Miles
13. Complete table NUMBER THREE on your paper
6, 18, 30
18. What is the definition of a Ratio?
The relationship between two numbers
23. Solve this Proportion:
0.5 7
___ = ____
19 x
[HINT: Cross Multiply and Divide]
x = 266
4. Customers at a grocery Store took a survey. The results showed that 34 customers rated the shop as being "very satisfactory." This number represented 50% of the total number of customers who took the survey.
What was the TOTAL number of customers who took the survey?
Hint: Set up a proportion!
68 Customers
9. Jacob went up 36 stairs in 12 seconds to reach his apartment. How many steps could he climb in 2 seconds?
6 Stairs
14. Complete table NUMBER FOUR on your paper
8 and 12
19. What are the three ways to write a Ratio?
Give examples for each!
2/3 < Fraction
2:3 < Colon
2 to 3 < Words
24. BONUS QUESTION: 1000 POINTS
Connor filled his 103.2 gallon pool with water in 8.6 hours. How many gallons per hour did he use?
[HINT: Divide]
12 Gallons Per Hour
5. Northern Hills Elementary School has 800 students. Every Wednesday 12% of students stay for chess club.
How many students stay for chess club?
[HINT: Set up a proportion. Keep percents with percents]
96 students stay for chess
10. There are 64 bears at the zoo. The ratio of the number of large bears to the number of small bears is 2:6.
How many bears at the zoo are smalls bears?
48 Small bears
15. Complete table NUMBER FIVE on your paper
20 and 24
20. There are 10 adults to 17 children. What is the ratio of Children to Total people? Write it any way you want.
17 to 27
25. BONUS: 1,000 POINTS!!!
A gumball machine contains 23 green gumballs, 52 red gumballs, 34 blue gumballs, 61 yellow gumballs, and 30 pink gumballs.
What percent of gumballs are RED?
Hint: Add all the gumballs together.
PART OVER WHOLE
26%