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Word Problems

Fill in the b...

Question

Fill in the blank.
21.4 cm + 12.5 cm = ______ mm

33.9

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3390

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339

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3.39

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Solution

The correct option is C 339
We know,
1 cm = 10 mm
21.4 cm = 21.4 × 10 = 214 mm
12.5 cm = 12.5 × 10 = 125 mm

So, 21.4 cm + 12.5 cm = 214 mm + 125 mm = 339 mm

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