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Elanso [62]
2 years ago
10

Find the missing number:

Mathematics
1 answer:
nirvana33 [79]2 years ago
8 0

Answer:

20%

Step-by-step explanation:

Not sure if this is exactly correct, but let's say we start with 1 unit. If it increased by 25%, we get:

1 × 1.25 = 1.25 units.

Now, to get back to 1 unit, we need to find:

1.25 × ?  = 1

? = \frac{1}{1.25} = 0.80

So, 100% - 80 % = 20%

A 20% decrease.

Not completely sure though.

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klemol [59]

Answer:

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Step-by-step explanation:

And let the missing number be x

We can solve using Algebra

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11x = 34 + 10

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x = 44/11

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For verification:

4(11) - 10 = 34

44 - 10 = 34

34 = 34

Hence, Proved

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