Tortoise a walks 52.0 feet per hour and tortoise b walks 12 inches per minute. which tortoise travels faster? explain.

1 ft = 12 inches : 60 minutes = 1 hr

Tortoise 1 :  
52 feet per hr = (52 * 12) / 60 = 624 inches/ 60 min = 10.4 inches per minute

Tortoise 2:
12 inches per minute

Tortoise 2 travels faster because he can travel 12 inches per minute whereas, tortoise 1 travels 10.4 inches per minute

Answer d; a supplementary angle = 180°, so if that angle = 150°, y would = 30°.