What is the number if a number when increased by 40% becomes 42?

Answer 1

30

You have #x+0.4x=42# Se #1.4x=42# and #x=30#
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Answer 2

Let's call the original number x. When increased by 40%, it becomes 42. So, we can write the equation: x + 0.40x = 42. Simplifying this equation, we get 1.40x = 42. To find x, we divide both sides by 1.40: x = 42 / 1.40 = 30. Therefore, the original number is 30.

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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.

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.

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.

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.

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