Question 6
- A worker’s annual income was 20% tax-free and the remainder was taxed at a rate of 25 kobo in the Naira. If he paid a tax of ₦14,000.00 in one year, how much was his income?
- Every month a family spends
of its monthly income on education, 
on clothes, 
on food and saves the rest. If its monthly income isLe 36,000.00, how many years would it take to save
63, 000.00?
Observation
