Preeti earns Rupees in 3 months, how much does she earn in 7 months?
Step 1: Finding Preeti's earnings in month.
Given that Preeti earns in months.
In months Preeti earns
In month Preeti earns
Step 2: Finding Preeti's earnings in months.
In months Preeti earns Rupees
Hence, in months Preeti earns Rupees.