Answer:
$18.
Formula : (No. of legs *5) - (no.of legs)/2
A duck has 2 feet. It gets 2*5 - (2/2) = 10 - 1 = $9
A spider has 8. It gets 8*5 - (8/2) = 40 -4 = $36
A bee has 6 feet. It gets 6*5 -(6/2) = 30 -3 = $27.
Thus, a cat with 4 legs would get 4*5 - (4/2) = 20 -2 =$18
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A cat was given $18
"A process of finding the value of a single unit, and based on this value we can find the required value. "
For given question,
A duck was given $9, a spider was given $36, a bee was given $27.
Let 'x' represents the number of legs.
We know that a duck has 2 legs.
So, 2x = $9
Using unitary method,
x = $ 4.5
We know that, a spider has eight legs.
So, 8 × 4.5 = 36 i.e., a spider was given $36
Similarly, we know that a bee has 6 legs.
So, 6 × 4.5 = 27 i.e., a bee was given $27
Now, we need find the amount which would be given to a cat.
We know that a cat has 4 legs.
So, 4 × 4.5 = 18
This means, a cat was given $18
Therefore, a cat was given $18
Learn more about the unitary method here:
brainly.com/question/22056199
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