9514 1404 393
Answer:
A
Step-by-step explanation:
Collecting terms of the expression, we have ...
x + 0.1x = x(1 +0.1) = 1.1x
In words, adding 10% is the same as multiplying the value by 1.1. Choice A is appropriate.
Answer:
Solving the equation
for variable n we get 
Step-by-step explanation:
We need to solve the equation
for variable n
Solving:

Subtract both sides by 6p

Switch sides of equality

Divide both sides by 3

So, solving the equation
for variable n we get 
Answer:
135
Step-by-step explanation:
2 x 54 = 108 and .50 x 54 = 27 so 108 + 27 = 135
For company a it would be at the 8th hour and they would be 210 and for company b it would be at the 7th hour