Question

B.

Answer 1

Hey!

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Question B:

12 tenths + 9 tenths

~Turn into decimal

1.2 + 0.9

~Add

1.2 + 0.9 = 2.1

~Answer

one(s): 2

tenth(s): 1

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Question C:

3 hundredths + 4 hundredths

Turn into decimal

0.03 + 0.04

~Add

0.03 + 0.04 = 0.07

~Answer

hundredth(s): 7

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Hope This Helped! Good Lucked!