Given:
Gil buys 4 books for $16. Then he sells 3 CDs for $27.
To find:
The equations for y, Gil’s change in money after buying a book, and for x, his change in money after selling a CD, in standard form.
Slope of each equation.
Solution:
Gil buys 4 books for $16.
4 books = $16
1 book = $4
Let n be the number of book purchased, then change in money after buying n book is
Here, negative sign represents decrease in money. Here, slope of -4 it means the money decreased by $4 after buying each book.
He sells 3 CDs for $27.
3 CDs =$27
1 CDs =$9
Let c be the number of CDs sold, then change in money after selling m CDs is
Here, slope of 9 it means the money increased by $9 after selling each CD.
Answer:
(4* 1) + (9 * 1/10) + (2 * 1/1000)
Step-by-step explanation:
Given the figure : 4.902
Writw the figure above in expanded form:
4.902
Using the place value indicators :
Unit___tenth___hundredth___thousandth
4______9_______0___________2
Unit:
4 × 1
After the decimal point :
Tenth :
9 × 1/10 =
Hundredth :
0 * 1/ 100
Thousandth:
2 * 1/1000
Hence :
(4* 1) + (9 * 1/10) + 0 + (2 * 1/1000)
Answer:
$1,630
Step-by-step explanation:
Assistant 2 hours: 80-40-25 = 15
YOU: 22 x 40 = $880
ASSISTANT 1: 15 x 25 = $375
ASSISTANT 2: 10 x 15 = $150
880+375+150 = $1,630
To solve the problem, get the
percentage of each test by multiplying the score and the percentage then add it all up:
82 * .25 (highest test grade) + 65* .15 (lowest test grade) +
71*.20 (each test remaining) + 77*.20 (each test remaining) + 92*.20 (homework
grade)
= 20.5 + 9.75 + 14.2 + 15.4 + 18.4 = 78.25 or 78% in whole number
