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
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