1. A bus can travel at 60 km/hr. How far can it travel in 3 hours? A. 180 km C. 63 km B. 57 km D. 20 km
2. Suppose that twenty men can build a house in 6 days which proportion can represent the number of men who can build the house in 4 days. A. 20:6 = 6:4 C. n:6 = 20:4 B. 20:n = 6:4 D. n:20 = 6:4
3. Alice can type 320 words in 5 minutes. How many words can she type in 7 minutes? A. 384 C. 572 B. 448 D. 576