Question

in an aquarium, the number of starfish to the number of goldfish was 1.5: 2.5. there were 30 goldfish.after some of the starfish died, the ratio became 0.5: 1.5 how many starfish died?

Answer 1

Answer:

No. of starfish=no.of goldfish ×1.5

2.5

=30/2.5=12*1.5

=18

Now, No. of goldfish=30

no. of starfish after some of died=18- 30*0.5

1.5

=20*0.5=10

=18-10

=8

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