06-4 Finding a Number When the Percent is Known.notebook · 2012. 5. 13. · 064 Finding a Number When the Percent is Known.notebook December 05, 2013 The store owner offered to order

064 Finding a Number When the Percent is Known.notebook December 05, 2013


Homework Finding Percents Worksheet

Time to Check it!!(pp 12)


1. What is 80% of 165? 132

2. 15% of what number is 6? 40

3. 34 is what percent of 85? 40%


4. What is 20% of 8? 1.6

5. 50% of what number is 931? 1,862

6. 190 is what percent of 304? 62.5%


7. What is 32% of 6350? 2032

8. 49 is what percent of 100% 49%

9. 2 is what percent of 200? 1%


10. What is 150% of 30? 45

11. 17% of 200 is what number? 34

12. 16 is what percent of 42? 38.1%


Learning Objective



42 is 5% of what number?Choose a method:

Proportion Equation

5 42100 n= 42 = 5% n.

(pp 13)


8% of what number is 24?


42 is 175% of what number?


The king cobra can reach a length of 18 feet. This is only about 60% of the length of the largest reticulated python. Find the length of the largest reticulated python.

Choose a method:Proportion Equation


You have now seen all three types of percent problems.


Solving Word Problems Using Percents


1. A survey asked 180 people if they like winter. 45 people said yes and the rest said no. What percent said yes?

(pp 14)


2. At football practice Ryan made 24 field goals, which was 80% of the field goals attempted. How many field goals did Ryan attempt?


3. Jackie spends 25% of her monthly salary on rent. Her rent is $650. What is her monthly salary?


Learning ObjectiveStudents will learn to find a number when the percent is known and show understanding on the quiz tomorrow.


4. A raw apple weighing 5.3 oz contains 4.45 oz of water. What percent of an apple is water?


5. In 2003 the population of Fairbanks, Alaska was 30, 970. This was about 491% of the population of Kodiak, Alaska. What was the population of Kodiak in 2003?


6. Lisa's starting pay was $8.50 per hour. After 8 months she was given a 6% raise. How much per hour was Lisa's raise?


7. On his last test, Alex answered 80% of the questions correctly. If there were 80 questions on the test, how many did he answer correctly?


8. Carla must complete 20 laps during swim practice. She has completed 30% of the required laps. How many more does she need to complete?




The store owner offered to order the new football uniforms if the team would pay 33 % of the cost in advance. The players did not accept the offer.They always passed on a third down.

13

Math Humor


C J


D J


71.2% 28.8%


C G


DH




Homework

(pp 1516) (pp 1516)


A.B.C.D.

B.

C.


A.B.C.D.

A.

C.


A.B.C.D.

A.

B.


A.B.C.D.

B.

A.


A.B.C.D.

C.

B.


8.4992162.1


400% 8%32.5%170%
















47.4


23% of 20

5











Documents

06-4 Finding a Number When the Percent is Known.notebook · 2012. 5. 13. · 064 Finding a Number When the Percent is Known.notebook December 05, 2013 The store owner offered to order