cells of Jennies skin were not burned.
Step-by-step explanation:
Given,
Burned skin cells = 
This represents 2% of total skin cells.
Let,
x represents the total number of skin cells.
2% of x = 

Dividing both sides by 0.02

Number of not burned cells = Total - burned
Number of not burned cells = 
Number of not burned cells = 
cells of Jennies skin were not burned.
Keywords: percentage, division
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So each time, 24/12 or $2 was deducted per trip
he has 30-24=$6 left
$6/$2=3, he has 3 trips left
I wonder what your question is
Answer:
-3x + 6
Step-by-step explanation:
(gof) = -(3x-2)+4
= -3x + 2 + 4
= -3x + 6