Which equation will help Susan solve her problem?
Letx=the length of one side of the flag.
Susan wants to make 2 square flags to
sell at a crafts fair. The fabric she wants
to buy is 7 meters wide. She doesn't
want any fabric left over. What's the
least amount of fabric she should buy?

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.

All you have to do is multiply