In the science center there were 236 butterflies in the fall and 128 more butterflies in the winter. in the spring ,there were 85 fewer butterflies .how many butterflies are in the science center now

279 butterflies if I’m correct. 236+128=364 and 364-85 is 279.

The answer to this question is c

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.