Question

Mrs. Henderson used 6 3/4 yards of fabric

to make 3 elf costumes. What equation can
be used to model the total number of yards
of fabric y for x costumes? How many yards
of fabric do you need for 7 elf costumes?

Answer 1

15 3/4 yards of fabric for 7 elf costumes

Explanation:

So we can agree that 6 3/4 yards of fabric = 3 elf costumes

So if we divide 6 3/4 by 3 you get 2 1/4

2 1/4 yards of fabric = 1 elf costume

so if we do 2 1/4 * 7 we get 15 3/4 yards of fabric for 7 elf costumes