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alexira [117]
3 years ago
5

If 20% of a number is 35, what is 50% of that number? 55, 70, 87.5, or 175

Mathematics
2 answers:
Dimas [21]3 years ago
4 0
Here is what I did to find the answer: 
20% of n is 3520% * n = 3520/100 * n = 35n = 35 * 100 / 20n = 175
50% of 175 = 50% * 175 = 50/100 * 175 = 87.5
The correct answer would be 87.5.
Kay [80]3 years ago
4 0
So to find the original number we know that 20% of the unknown number is 35 and there is 5, 20% in 100%. So do 35*5 which is 175. Now we have to find 1/2 or 50% of 175 so divide it by 2. 175/2

Your Answer is 87.5
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Answer:

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Step-by-step explanation:

From the question,

(a) Avearge rate of rise in temperature per hour(T') = Rise in temperature(T)/Time required for the rise(t).

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(b) Also,

Average rate of fall in temperature per hour (T') = Fall in temperature (T)/Time(t)

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