Chapter 7 – Identify Subproblems – Day 2

 

POD -  An “A” in Math

          Daniella wants an “A” in Math.  So far, she has 598 out of 700 points possible.  What percentage of the remaining 350 points must she earn in order to raise her average to exactly 90%?

 

Previous Homework – Homework:  #4, #6, #8

 

QUIZ  - 

 

IN CLASS - Stereo Sale

          Williams and Son Department Store was going out of business.  At first they had all the electronics marked 10% off.  Then they marked everything down an additional 25% from the last posted price.  What is the current price of a stereo set that originally cost $189? 

 

IN CLASS - One Hundred Sixty-Eight Inches of String

          One hundred sixty-eight inches of string were used to make these squares, which are all the same size.  What is the total area of the 10 squares?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN CLASS - Juan’s Church

          Juan donates 10% of his salary to his church.  He earns $3500 per month.  He used to earn $3200, and he gave the same dollar amount.  What percent of his income did he donate to the church when he earned $3200?

 

IN CLASS - A Lot of Stuff

          A patch of grass measuring 6 feet by 6 feet requires two ounces of fertilizer.  How many pounds should be used on a lawn that measures 30 feet by 75 feet?

 

Homework:

POD  -  Used Cars

          While watching a commercial on late night TV, But noticed the following subtitles at the same time the announcer was saying something:  “sochi na warak” was on at the same time as the man said “sale cars sheep.”  Bud was intrigued, so the next several times he saw the commercial, he wrote down the following subtitles and phrases:

“quandi bonki warak”             “big blue cars”

“quandi sochi”                                  “big sale”

“kandi sochi konaa”                         “no sales people”

“warak na”                               “cheap cars”

“bonki tayku ta”                       “green and blue”

“konaa qualliak”                      “no lemons”

“sochi na warak”                     “sale car cheap”

“wassa tayku”                         “green money”

 

In whatever language this is, what is the meaning of the following sentence?  “qualliak na ta konaa tayku kandi.”

 

Assignment  

          Pg 178,  #3  (hint – what fraction (or %) of the passengers are the 68 men?  How many passengers are there?  How many passengers could the plane hold?)

          #5 (hint:  Area of circle is Śr2 ; white regions are each Ľ of a circle – what is its radius?)

          #7

          Pg 182 - #2