Find the average monthly consumption of oil in a family , if it uses 2 1/2 L , 3 1/2 L and 3 1/2 L of oil in three consecutive months.
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Answered by
13
21/2+31/2+31/2÷3
=83/3
Answered by
1
21/2+31/2+31/2÷3
=83/3
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