Chad's family is renting a cabin at Greenbow State Park, which is 390 miles from where they live. They plan to leave early in the morning on Saturday and stop after 4 hours to have lunch. They will complete the trip in the afternoon. They plan to drive at an average speed of 60 miles per hour. How many hours will they drive in the afternoon? Write your answer as a whole number or a decimal.

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

He will need 2,898 pieces of paper