Laura rode her bike for 3 5/8 hours on saturday and 4 1/4 hours on sunday which is the best estimate of the time laura spencer riding her bike on saturday and sunday?

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.

How much is 32 out of 40 written as a percentage? convert fraction (ratio) 32 / 40 answer:   80%