Question

Silver this plzzz. .. . . it's my homework plzzzz . . solve it ..

Answer 1

hey mate here is your answer

p(power)= 400 watt = .4kW

t= 8 hours per day

energy consumed one day = power × time

E=.4×8

=3.2kWh

energy consumed in 30 days = 30× 3.2

=96kWh

Cost = rate × energy consumed

= 3.00×96

=288.00 rupees.

it will surely help you.

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Answer 2

The total energy consumed by the refrigerator in 30 days =400W×8hours×30 days

=96000Wh

=96kW h

the cost of energy to operate the refrigerator for 30 days =96kW h×Rs.3 per kW h

=Rs. 288

HOPE IT WILL HELP YOU ✌ ✌