Homework for Friday November 15

Complete the following problems on loose-leaf paper for Monday.

Review:
Convert the following FRACTIONS into decimals by doing long division.  Then convert that into a percentage.
Remember: 1/4  =  1÷4. This means how many times can 1 be divided by 4, or how many times can 4 go into 1?

Fractions to decimals to percent
1.)  3/8    2.)  3/7    3.) 3/6

4.)  3/5  5.)  3/4  6.)  3/3
Since all of the above fractions were regular and NOT improper, all of the decimals should be less than which number?

Improper fractions to decimals to percent

7.)  10/3    8.)  10/4    9.) 10/5

10.)  10/6  11.)  10/7  12.)  10/8
Since all of the above fractions were IMPROPER, all of the decimals should be greater than which number?  What about the percent?



Use mental math to find the following.  Use the shortcuts from class.
13.) 10% of 50
14.) 10% of 60
15.) 10% of 55.
What is the shortcut for 10%?
Challenge:  45 is 10% of which number?  How did you find this?

16.) 50% of  20
17.) 50% of 30
18.) 50% of 25
What is the shortcut for 25%?
Challenge:  80 is 50% of which number? How did you find this?

19.) 25% of 60
20.) 25% of 80
21.) 25% of 70
What is the shortcut for 25%
Challenge:  30 is 25% of which number?  How did you find this?


Challenge Word Problem:

Bose sells a sound dock at stores for $300.  Out of that $300, 10% goes to the store (Target) and the rest goes to Bose.

How much money does Target make on each sound dock?  How much money does Bose receive from each sound dock sold? Show your work

Part 2:  
Out of the money that Bose receives, 40% of it goes to pay all of the employees and research (cost), 10% goes towards transporting the materials and sound docks from the factories to the stores, the REST  will be kept by Bose as profit.

How much money is spent on transporting?
How much money is spent on employees and research?
How much is kept as profit?

(Hint, these numbers will be LESS than $270)