13. Do the ratio of 12 cm to 3 m and 8 seconds to 3 minutes form a proportion?
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3
Answer:
A) Ratio of 12cm to 3m
1m=100cm
Therefore,3m=300cm.
Ratio=12cm/300cm
=1/25
=1:25
B) Ratio of 8 sec to 3 min
1 min=60 sec
Therefore,3 min=180 sec
Ratio=8 sec/180 sec
=2/45
=2:45
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