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xenn [34]
2 years ago
13

suddenly the number of math problems mathletes had to solve increased by 60%! to keep on track the mathletes try to go faster bu

t only increase their speed by 25% By what percent must the number of mathletes on the team increase so they can solve all the problems on time?
Mathematics
1 answer:
romanna [79]2 years ago
4 0

Answer:

28%

Step-by-step explanation:

Lets say the fraction of speed and problem solved is 100/100

the number of problems solved increases by 60%

so now it is 160/100, also the speed increases by 25%

so now we do 160/125=1.28

finaly we do 1.28-1 = 28%

Therefore the answer is 28%.

hope this helps

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If f(x)=x-5, find x when f(x)=15
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

Once again same method as I've explained before. However, this one tricked me a little bit and still is because of the appearance of the smaller triangle. However, If I don't focus on that I believe this answer is correct. This is because in order to find the missing side we need to find the factor of which the triangle was expanded. So we must divide a given side of the bigger triangle by the same similar side of the little triangle, like 15/5. Then we must divide n by its similar side which the appearance made me think 13 which is not an option so I believe it is 12 and it was just trying to throw me off. So n/12. Therefore that is why I believe B is correct.

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