The distance d traveled by a train varies directly as the time t that it travels. The train travels 60 km in 1/2 hr. How far will it travel in 2 hr?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad