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HELP, please.... Out of 200 fish in an aquarium, 99% are guppies. How many guppies must be removed so that the percentage of guppies remaining in the aquarium is 98%?

HELP, please.... Out of 200 fish in an aquarium, 99% are guppies. How many guppies must be removed so that the percentage of guppies remaining in the aquarium is 98%?
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4 votes
HELP, please....

Out of 200 fish in an aquarium, 99% are guppies. How many guppies must be removed so that the percentage of guppies remaining in the aquarium is 98%?

asked
User Ola Sundell
by
8.8k points

2 Answers

3 votes

(?)/(200)
answered
User Srboisvert
by
8.1k points
2 votes
Surprisingly, you must remove 100 guppies!

Look at it this way....
Beforehand, 198 of the 200 fish were guppies (99% of 200 fish = 198 guppies.)
Afterward, 98 of the 100 fish will be guppies (98% of 100 fish = 98 guppies).
Got it?
answered
User Thodic
by
7.8k points
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