Kamal is buying supplies for a science lab. He needs a piece of wire 7 feet long. He finds wire for sale at a store that lists the
lengths in inches. How many inches of wire should Kamal buy?
A 19 in.
B
72 in.
74 in.
84 in.

kamal needs to buy 84 in of wire.

Step-by-step explanation:

multiply the length value by 12:

if he wants 7 feet, and the store only sells it in inches, then we know what a foot is twelve inches so 12x7=84.

hope this helped! :D <3

it should be a and d. lmk if i'm wrong xd

1/4 because there is 4 grades.