Answer:
Step-by-step explanation:
Let the three sides be a, b and c respectively.
Such that:
Required
Determine the area
This is calculated as:
Where
Substitute values for a, b and c
Substitute values for a, b, c and s in
-- Approximated
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2 answers:
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Answer:
B) 20%
Step-by-step explanation:
Using the information given in the problem, the ratio of cats to dogs is 7:3 and the ratio of birds to dogs is 5:6. In order to find the total ratio of all three animals, you need to compare the ratios given:
Cats: Dogs is 7:3 and Birds: Dogs is 5:6
Since the ratio of Dogs increases from 3 to 6 in the two ratios, this is a factor of '2'. We would need to also increase the amount of Cats by a factor of '2' to compare all three animals: 7 x 2 = 14.
The overall ratio of all three animals is:
Cats: Birds: Dogs = 14:5:6
When we add 14 + 5 + 6 = 25, we can then take the number of birds in the ratio divided by the total number of animals to get a percent of birds at the store: