Answer:
Step-by-step explanation:
C
For $ 65 u have 100%now for 12%the price is 65×12/100
X =$7.8
<em>Complement</em> = 90-x
<em>Supplement</em>=180-x
180-x=4(90-x)+6
180-x=360-4x+6
3x=360-180+6
3x=186
x=186/3
x=62
The weekly earning is an illustration of a linear function.
Her total earning when she sells a good worth $4800 is $637
The given parameters are:


Let the total sales be x and the total earnings be y.
So, we have:

Substitute known values

When she sold merchandise worth $4800, it means that <em>x = 4800</em>
So, we have:



Hence, her total earning is $637
Read more about linear functions at:
brainly.com/question/20286983