Mathematics for IGCSE & O level - Ratio And Proportion (Section 4 - No. 23)
If a car travels 200 miles in 4 hours, how many miles will it travel in 6 hours at the same speed?
250 miles
300 miles
350 miles
400 miles
คำอธิบาย
speed = 200/4= 50 mph. 6 hours, therefore 50*6 = 300