fatimasoumahoro fatimasoumahoro
  • 02-10-2017
  • Mathematics
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help me figure it out

help me figure it out class=

Respuesta :

kphung76127
kphung76127 kphung76127
  • 02-10-2017
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
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