Question

find a number which when multiplied by 5 is increased by 80​

Answer 1

Answer:

LET THE NUMBER BE x.

A.T.Q.

5*x = x + 80

5x - x = 80

4x = 80

x = 80/4

x = 20

THE REQUIRED NUMBER IS 20.

Answer 2

Question:

Find a number which when multiplied by 5 is increased by 80.

Answer:

The number is 20.

Given:

The unknown number is when multipled by 5 then it gets increased by 80.

To find:

The unknown number.

Explanation:

Let, the unknown number be, 'n'.

The new number is obtained when 'n' is multiplied by 5 _

(n×5)

= 5n.

According to the given problem:

5n = n+80

⇒ 5n -n = 80

⇒ 4n = 80

⇒ n = (80÷4)

⇒ n = 20.

∴ The unknown number is 20.

Check whether the calculation is right or wrong:

We get, the unknown number as 20.

The new number is obtained when 20 gets multiplied by 5_

(20×5)

= 100

∴ THe difference between 20 and 100_

(100-20)

= 80.​