Respuesta :
Answer:
45
Step-by-step explanation:
Let x be the number
90% of x = 40.5
[tex]\frac{90}{100}*x=40.5\\\\x=40.5*\frac{100}{90}\\\\x=\frac{405}{9}\\\\[/tex]
x = 45
Answer:
45
Step-by-step explanation:
Let x be the number
90% of x = 40.5
[tex]\frac{90}{100}*x=40.5\\\\x=40.5*\frac{100}{90}\\\\x=\frac{405}{9}\\\\[/tex]
x = 45