Ben and Cam are sucba diving. Ben is 15.8 meters below the surface of the water. Cam is 4.2 meters above Ben.What is Cam’s posit
2 answers:
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Don't let fractions fool you.
of a tank in 
an hour is equal to:
1/12 of a tank in 20 minutes.
Thus we know in an hour, an oil company can fill 3/12 of a tank (60 minutes in an hour).
3 x 4 = 12, and 12/12 = 1(a whole tank), so we multiply 1 (hour) by 4.
Our answer is that it takes 4 hours to fill a tank.
1/12 of a tank in 20 minutes.
Thus we know in an hour, an oil company can fill 3/12 of a tank (60 minutes in an hour).
3 x 4 = 12, and 12/12 = 1(a whole tank), so we multiply 1 (hour) by 4.
Our answer is that it takes 4 hours to fill a tank.
Simply divide 3 by 0.7,
Or ≈ 4.28571 which is ≈ 4 years.
Or ≈ 4.28571 which is ≈ 4 years.