Question

If 5 goldfish cost $6.45, what is the cost of 8 goldfish?

Answer 1

$10.32

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Answer 2

Cost of 5 goldfishes = $6.45

Now, we need to calculate the unit rate, for that you've to divide 6.45 from 5,

Cost of 1 goldfish = $6.45/5 = $1.29
Then,
Cost of 8 goldfishes = $1.29 * 8 = $10.32

So, your final answer is $10.32

Hope this helps!!