How many times longer is 220 than 22

 11 times
If you were to take 220 and divide it by 22 you'd get 11

220 divided by 22 equals 10

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.

Num of plants = (original#ofplants)*(1.6)^t