The length of a bicycle track is increased from 1200m to 1600m. Find the percentage increase.
1 answer:
The track increased 400m:
1600 - 1200 = 400
Use the rule of 3:
1200 - 100%
400 - x
(400 * 100) / 1200 = x
40 000 / 1200 = x
33,33... = x
The increase was of 33% aproximately.
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