Help me figure it out

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asked Mar 18, 2018 166k views

1 Answer

Prakash Krishna · Answer 1 · 2018-03-22T09:17:15+0000

Assuming the new length and width is proportional to the first, set up a proportion like so:

30 cm/10 cm= x cm/4 cm

Cross multiply:
30*4=120
120/10=12=x

Final answer: 12 cm long

Help me figure it out

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