ragedoge4 ragedoge4

15-06-2020
Mathematics

contestada

The ratio of Liam's age to his brother's age is 4:9. Liam is 10 years younger than his brother. How old is Liam now?

Respuesta :

unicorn3125 unicorn3125

25-06-2020

Answer:

8 years old

Step-by-step explanation:

x - Liam's age

x+10 - Liam's brother's age

[tex]\dfrac{x}{x+10}=\dfrac{4}{9}\\\\9x = 4(x+10)\\\\9x=4x+40\\\\5x=40\\\\x=8[/tex]

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