Question

The aquarium has 6 fewer yellow fish than green fish. 40 percent of the fish are yellow. How many green fish are in the aquarium? Show your work. Explain in depth.

Answer 1

Answer:

There are 180 green fishes

Step-by-step explanation:

Let x be the total number of fish,

∵ 40 percent of the fish are yellow,

So, yellow fishes = 40% of x

$=\frac{40x}{100}$

= 0.40x

Also, green fishes = total fishes - yellow fishes

= x - 0.40x

= 0.60x

According to the question,

0.60x - 0.40x = 6

0.20x = 60

$\implies x =\frac{60}{0.20}=\frac{600}{2}=300$

Hence, number of green fishes = 0.60(300) = 180

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