Help me pls if you can

c.

Step-by-step explanation:

1. 5 2/3 = 5 4/6

a. 2 x 2 = 4

b. 3 x 2 = 6

2. 5 4/6 - 4 1/6 = 1 3/6 = 1 1/2 = a

a. 4/6 - 1/6 = 3/6 = 1/2

b. 5 - 4 = 1

c. a = 1 1/2

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.