Answer:
The number is 80
Step-by-step 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
[tex]x-20=\frac{3}{4}x[/tex]
Solve for x
[tex]x-\frac{3}{4}x=20[/tex]
[tex]\frac{1}{4}x=20[/tex]
[tex]x=80[/tex]
therefore
The number is 80
