Cost of Lightbulb = x
cost of switch is x-8
9x + 4(x-8) = 520.50
Use distributive property:
9x + 4x -32 = 520.50
Simplify:
13x -32 = 520.50
Add 32 to both sides:
13x = 552.50
Divide both sides by 13
X = 42.50
A lightbulb costs $42.50
A switch costs 42.50-8 = $34.50
Answer:
0.1 is 0.1265525 rounded to the nearest tenth
Answer:
Step-by-step explanation:
Blue is 1 and a quarter.
Brown is Half
The Answer Is =4 :) Hope it Helps
Answer:
the amount you owe, and how much energy you have used
