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Help me figure it out

Help me figure it out
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3 votes
Help me figure it out

Help me figure it out-example-1
asked
User Fanfan
by
8.5k points

1 Answer

3 votes
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
answered
User Prakash Krishna
by
8.5k points
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