Verified answer

(consider that the both months have 30 days and half month = 15 days)

total no. of days = 30+30+15=75days

let neelam's monthly(30 days) income be x

she worked for 76 days(metioned above)

income for 30 days = x

income for 1 day = x/30

income for 75 days = x/30 × 75 = 2.5x

income for 75 days was 2.5x