Question

encontre o valor do x, y e z​

Answer 1

$k=\dfrac{45}{3+5+8}=\dfrac{45}{16}$

$x=3k=3.\dfrac{45}{16}=\dfrac{135}{16}$

$y=5k=5\dfrac{45}{16}=\dfrac{225}{16}$

$z=8k=\cancel8\dfrac{45}{\cancel16}=\dfrac{45}{2}$