Respuesta :

collinazrael

Answer:

28. 21 lb 11 oz

29. 2 ft 9 in

30. 21 hours and 20 min

Step-by-step explanation:
On number 30, you need to multiply the 8 into 2 and 40. So it’ll be 16 & 320. 320 divided into 60 will be 5.333... then add 5 to 16 so it’ll now be 21 hours and 30 minutes
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