Question

The annual rainfall in a city was 144cm.what was the average monthly rainfall?

Answer 1

The average of monthly rainfall = 144cm/12 Months = 12Cm Answer !
Average monthly Rainfall = 12Cms

Answer 2

$annual \: rainfall = 144cm \\ total \: months \: \: \: = 12 \\ average \: monthly \: rainfall = 144 \div 12 = 12cm$