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40 is 20% of what number?

Answer 1

Eva Adamson

200

#40/x = 20/100# #40/x*100 =20/100*100#

#4000/x = 20#

#4000*x/x =20*x#

#4000 = 20x#

#4000/20 = (20*x)/20#

#200 = x#

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Answer 2

Nathan Axel

#200#.

The formula can be written as follows:

#x xx20/100=40#

Multiply both sides by #100/20#.

#x=40xx100/20#

#x=4000/20#

#x=200#

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Answer 3

Eva Adamson

To find the number, you divide 40 by 20% expressed as a decimal (0.20). So, 40 ÷ 0.20 = 200. Therefore, 40 is 20% of 200.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.