10 percent of 42:

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How to calculate how much will be 10 percent of the 42? The correct answer is:
4.2
The solution is as follows: We make a proportion -
42 is 100 percent.
??? (X - the desired number) is 10 percent
What is 10% of 42?
Solution: 10 * 42 / 100 = 4.2


Other examples of calculating interest on an amount:
10% of 10 = 1 (remains: 9)
 10% of 28 = 2.8 (remains: 25.2)
10% of 115 = 11.5 (remains: 103.5)
 10% of 183 = 18.3 (remains: 164.7)
2% of 2 = 0.04 (remains: 1.96)
 2% of 13 = 0.26 (remains: 12.74)
2% of 116 = 2.32 (remains: 113.68)
 2% of 230 = 4.6 (remains: 225.4)
56% of 174 = 97.44 (remains: 76.56)
 56% of 250 = 140 (remains: 110)
56% of 663 = 371.28 (remains: 291.72)
 56% of 8600 = 4816 (remains: 3784)


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