Question

O reamintire vă rog.
A si b direct proportionale cu 2 si 5 , a=24 , b=?

Answer 1

$\frac{a}{2} = \frac{b}{5}$
$\frac{24}{2} = \frac{b}{5}$⇒$b= \frac{24*5}{2} = \frac{120}{2} =60$

Answer 2

a=2k=24  k=12
b=5k
b=12x5=60