learning task 2:read and analyze the given problem below on a sheet of paper. in a classroom there are five 20 -watt fluorescent lamps and four 50 watt electric fans operating for 10 hours in a regular school day​

15kWh in 5 days

Step-by-step explanation:

Given

Let

---- Time

Required

Total energy consumed in 5 days

For the lamps, we have:

Calculate the energy consumed by the lamps in a day.

For 1 lamp, we have:

For 5, we have:

Convert to kilowatt

In 1 day, the 5 bulbs use a total energy of:

For 5 days, the energy is:

For the fans, we have:

Calculate the energy consumed by the fans in a day.

For 1 fan , we have:

For 4, we have:

Convert to kilowatt

In 1 day, the 4 fans will use a total energy of:

For 5 days, the energy is:

So, we have:

------ Lamps

----- Fans

The total energy used is:

angle addition postulate

2x=56

step-by-step explanation:

26

step-by-step explanation: