Question

Sum of two numbers is 90. If one exceeds the other by 20, find the numbers​

Answer 1

Answer:

Let one of the numbers be= x.

Then, the other number becomes x + 15

According to the question,

x + x + 15 = 95

⇒ 2x + 15 = 95

⇒ 2x = 95 - 15

⇒ 2x = 80

\Rightarrow x=\frac{80}{2}⇒x=

2

80

⇒ x = 40

First number = x = 40

And, other number = x + 15 = 40 + 15 = 55

Step-by-step explanation:

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Answer 2

Answer:

√70

Step-by-step explanation:

let no. be x

Then the second no. = x+20

x+x+20 = 90

x^2 + 20 = 90

x^2 = 90-20

x^2=70

x =√70

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