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Black Friday

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by

alexis turner

on 2 December 2013

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Transcript of Black Friday

Alexis wants to save money for black Friday. she needs to earn $280 to buy new clothes. Alexis gets a day $35 to babysit. How many days she Alexis need to babysit to get the $280 she needs?
Black Friday
Alexis Turner
2nd period
11.26.13



Alexis has $250 dollars to spend. she wants spend an equal amount of 5 shirts X, and 5 pants Y. this can be model but the following

5X+5Y =250 -5X
-5X
+5Y =250-5X
5 5
Y= -1X+50
x
0
1
2
3
4
5
6
7
9
0
35
70
105
140
175
210
245
280

y
Y=35X+0

$35 for every day Alexis work

The intercept is (0,0) this means for zero days i work i get no money
Alexis went shopping on black Friday, She spent $50 every store she went into. How many stores does Alexis go into until she has no more money?
X
Y
0
1
2
3
4

250
200
150
50
0
Y=-50X+250
$-50 for every store Alexis goes into
X (4,0) Alexis went into 4 stores before she had no more money
Y (0,250) Alexis had $250 before shopping
Positive slope
Negative Slope
X Y
o 50
1 49
4 48
6 44
8 42
50 0

Y- o for pants and 50 for shirts
X- 50 for pants adn 0 for shirts
50 dollars for every thing i buy
Stander form
Full transcript