An electrician needs 2 rolls of electrical wire to wire each room in a house. How many rooms can he wire with 3/5 of a roll of wire.

He can wire of a room with of a roll of wire.

Step-by-step explanation:

Given:

An electrician needs 2 rolls of electrical wire to wire each room in a house.

Now, to find rooms he can wire with 3/5 of a roll of wire.

So, we solve by using unitary method:

If, 2 rolls of electrical wire needed to wire 1 room.

So, 1 roll of electrical wire needed to wire = room.

Thus, roll of electrical wire needed to wire = =

Therefore, he can wire of a room with of a roll of wire.

answer: 230 miles ( vote ! )

step-by-step explanation:

180.39 minus 17.99 equals 162.4

then divide 162.4 by .80 to get 230

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.