Question

The difference between the squares of two consecutive numbers is 31. Find the
umber whose double is 45 greater than its half.​

Answer 1

Let the number be x, then ⇒

2x= 2x +45

2

3x

.....

=45⇒x=30

hope it helps you..............

Answer 2

hope you understand..

Step-by-step explanation:

Let us consider the number as ‘x’

So,

2x – x/2 = 45

(4x-x)/2 = 45

By cross-multiplying we get,

3x = 90

x = 90/3

= 30

∴ The number is 30.