Guppies

Audrey has some guppies in a fish tank. The ration of the oranges guppies to silver guppies is 3:5. She has 12y oranges guppies. Write the number of silver guppies she has in terms of y

Result

s = (Correct answer is: 20y) Wrong answer

Solution:

3:5=12y:s s=5/3⋅ 12y s=20y3:5=12y:s \ \\ s=5/3 \cdot \ 12y \ \\ s=20y

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