melia4
melia4 melia4
  • 31-12-2016
  • Mathematics
contestada

When you can walk to miles in 30 minutes how many miles can she walk in two hours

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 31-12-2016
easey

ratio and proprotion

or
knowlege


1. ratio and proportion
distance/time=2/30

2hours=60*2=120mins
xdistance
2/30=x/120
1/15=x/120
times boht sides by 120
120/15=x
8=x

8 miles


knowlege way
30 mins=1/2 hour
30 mins=1/4 of 2 hours
2=1/4 of 2 hours
2*4=8
8 miles
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