Question

A light bulb consumes 17100 watt-hours in 4 days and 18 hours. How many watt-hours does it consume per day?

Answer 1

first multiply 4 with 18

then divide the answer with 17100

So,

4x18=72

17100 /by 72=237.5

It uses 237.5 watts per day

Checking= 237.5x72=17100

So it is true.

Explanation:

Answer 2

3600

Explanation:

17100 in a total of 114 hrs (24*4+18)

Find it hourly

17100/114=150

Then, multiply by 24 to get the amount it consumers in the day.

150*24=3600