Answer=63 pictures
Jennifer=4/5*Luisa
Jennifer=28
Substitute '28' for Jennifer
28=4/5*Luisa
divide both sides by 4/5
35=Luisa
Luisa has 35 pictures on her camera
35+28=63
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18 students are 100%-37,5%-40%=22,5%
So we know that 18 students equal to 22.5. And we are looking for the anwser what 100% of students is.
SO:
x students - 100%
(22 + 1/2)x =18×100
(22 + 1/2) can be represented as just 25.5
-//- = 1800
we need to divide bot sides by 25.5
x = 1800 / 25.5
... x = 80
so you will have to convert it to slope intercept form which is y=mx+B so you will have to isolate the y
6y+8x=24 subtract 8x to both sides
6y=-8x+24
divide 6 by both sides
y= -8/6x + 4
simplify
y= -4/3x + 4
the slope of the line is -4/3
The Correct Answer is Option B
r = 4
Ex. CONVERT 2 + 2 = 4 x 4 = 16
