Answered

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The water level in an ocean changes at an average rate of 3 meters per hour. At this rate, how many hours would it take for the water level to change 12 meters?

Sagot :

Parrainidn

Answer: 4 hours

Step-by-step explanation:

The water level changes at an average rate of 3 meters per hour.

The question wants to know how long it will take for the ocean water level to change 12 meters.

You can use direct proportion:

1 hour     :  3 meters

x hours   : 12 meters

Cross multiply to get:

3x = 12

x = 12 / 3

= 4 hours

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