Question

A light bulb consumes 5850 watt-hours in 3 days and 6 hours. How many watt-hours does it consume per day?

watt-hours per day
Х
5
?

Answer 1

Explanation:

Three days + 6 hours has 24*3 + 6 = 78 hours

You need only set up a proportion

5850 / 78 = x / 24 Multiply by 24

24 * 5850 / 68 = x

1800 watt hours / day