marksonbalapu8 marksonbalapu8 02-05-2024 Mathematics Answered Q4. If 12 workers can build a wall in 50 hours, how many workers will be required to do the same work in 40 hours? (2 marks) Q5. A car travels 432 kilometres on 48 litres of petrol. How far would it travel on 20 litres of petrol?(2 marks)