Question

Sergio bought 1 yard of yellow yarn. He used 21 inches of this yarn for a project. What part of the yarn that he bought did he use? Remember, 1 yard equals 36 inches.
A.He used 1/36 of the yarn.
B.He used 3/10 of the yarn.
C.He used 7/12 of the yarn.
D.He used 2/3 of the yarn.

Answer 1

21/36 = 7/12

Answer 2

\[21\div36 = 7/12\]

Answer 3

thank you

Answer 4

can somebody actually show me how they got it