Question

El exceso de un número sobre 20 es igual a las tres cuartas partes del mismo número. ¿Cuál es el número?

Answer 1

The number is 80

Explanation:

The question in English is

The excess of one number over 20 equals three quarters of the same number. What is the number?

Let

x ------> the number

we know that

The linear equation that represent this situation is

`x-20=(3)/(4)x`

Solve for x

`x-(3)/(4)x=20`

`(1)/(4)x=20`

`x=80`

therefore

The number is 80