Q. If 85% of a number is 170 and 95% of the same number is 190 , find 10% of that number.Answer:
Find Number Value: Find the value of the number based on 85% being equal to 170. To do this, we set up the equation 0.85×number=170 and solve for the number. number=0.85170number=200
Verify with 95%: Verify the number by checking if 95% of it is indeed 190. We use the equation 0.95×number=190 and substitute the number we found in Step 1. 0.95×200=190190=190 This confirms that the number we found is correct.
Calculate 10%: Calculate 10% of the number.Now that we know the number is 200, we find 10% of it by multiplying the number by 0.10.10% of number = 0.10×20010% of number = 20
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