An electrician needs 3 1/4 rolls of electrical wire to wire each room in a house. how many rooms can he wire with 9 1/4 rolls of wire

Number of rooms can be wired by electrician is approximately 3

Solution:

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 =

So number of rooms can be wired:

Thus number of rooms can be wired is or approximately 3 rooms

answer: y = -2.5x - 15

              (-6,0)

step-by-step explanation: