The ratio of girls to boys in a gardening club was 2:5. There were 10 girls. How many boys were there in the club?
1 answer:
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Answer:
Option b.
Step-by-step explanation:
we have
Evaluate
therefore
He did not apply the power to the denominator of 3/5
Answer:
feet
Step-by-step explanation:
In a 30-60-90 triangle, the ratios of the side lengths of the triangle is
Where 1 is the shortest leg, root(3) is the longer leg, and 2 is the hypotenuse.
First we can set x equals to the length of the original pole, and so the shorter leg has a length of x/3 and using the ratio of side lengths, we can find that:
Solving for x, we find that
So the length of the original pole would be feet
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