talymesa123 talymesa123

19-04-2020
Mathematics

contestada

A light bulb consumes 2400 watt-hours per day. how long does it take to consume 9000 watt- hours?

Respuesta :

sandyCool sandyCool

19-04-2020

Answer:

3.75

Step-by-step explanation:

Set up the following ratio:

2400 watt-hours 1 day

------------------------- = ----------

9000 watt-hours x days

Then do criss-cross-apple-sauce:

x*2400=9000*1

And then solve for x:

2400x=9000

x=9000/2400

x=3.75

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