26.6k views
2 votes
A light bulb consumes 1440 watt hours per day. How long does it take to consume 8280 watt hours

2 Answers

2 votes

Answer:

5.75 days

Explanation:

Write a proportion:

1440 Wh / 1 day = 8280 Wh / x

Cross multiply:

1440 x = 8280

Solve for x:

x = 5.75

It takes 5.75 days.

User Joe Saad
by
5.7k points
5 votes

If 1,440 watts are used per day then you just divide.

8,280 / 1,440 = 5.75 or 5 days and 18 hours.

Hope This Helped! Good Luck!

User Ramsay Domloge
by
5.0k points
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