Will mark brainliest : d when alina was hungry she ate c cookies, which was 30% of all the cookies she had. how many cookies did she have in the beginning?

Alina had at the beginning cookies

Step-by-step explanation:

we know that

c-----> represent 30% of all the cookies Alina had

Let

x-----> the 100% of all the cookies Alina had

by proportion

maya’s expression will generate the wrong sum because she violated the commutative property.

step-by-step explanation:

a reflection across the x axis and a 90 degree rotation left and right.