Respuesta :
Answer:
it can crawl 27 feet in 21 minutes
it can crawl 36 feet in 28 minutes
Step-by-step explanation:
(21/7) x 9 = 27
(28/7) x 9 = 36
It can crawl 27 feet in 21 minutes and 36 in 28 minutes because 9x3=28 and 9x4=36