briseno138
04.02.2020 •
Mathematics
When you can walk to miles in 30 minutes how many miles can she walk in two hours
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Ответ:
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
Ответ:
Deanna’s mean quiz score is approximately is 90.93 Amy’s mean quiz score is approximately is 90.27
Step-by-step explanation:
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