Number of rooms can be wired by electrician is approximately 3
<em><u>Solution:</u></em>
Given that electrician needs rolls of electrical wire to wire each room in a house
To find: number of rooms can he wire with rolls of wire
From given information,
Rolls of wire needed for 1 room =
Total rolls of wire =
<em><u>So number of rooms can be wired:</u></em>
Thus number of rooms can be wired is or approximately 3 rooms
Answer:
multiply all the fractions to get your answer
Step-by-step explanation:
Answer:
1. $11747.083
2. $29,253
3. $24222.04
4. $1542.23
Step-by-step explanation:
Message for explanation if you want.
2x - 3y = -2 ⇒ 4x - 6y = -4
4x + y = 24 ⇒ <u>4x + y = 24</u>
<u>-7y</u> = <u>-28</u>
-7 -7
y = 4
2x - 3(4) = -2
2x - 12 = -2
<u> +12 +12</u>
<u>2x</u> = <u>12</u>
2 2
x = 6
(x, y) = (6, 4)