Probably rounded to nearest tenths, 8.2
Answer:
x^2+15x+54
Step-by-step explanation:
x^2+15x+54
is the answer :)
Solving for x would look like
rewrite: -4(2-1.2x)=40
distribute: -8+4.8x=40
add 8 to both sides of the equation: 4.8x=48
isolate x: x=10
So x = 10
Answer:
The amount of the markup is $3.70
Step-by-step explanation: