X = a^2 bc/2d 1. If a is tripled, what would happen to x?

2. If d is increased, what would happen to x?

3. If b is doubled, what would happen to x?

42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these