Two cyclists,84 miles apart, start riding toward each other at the same time. one cycles 2 times as fast as the other. if they meet 4 hours later, ehat is the speed

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.

Which questions are you talking about