Question

Daca a/b=5/3 atunci valoarea a reprezinta .....% din b

Answer 1

a/b = 5/3  -->  a=5; b=3 -->  5·100:3=500:3=166,(6)%
 ----sigur e probl.de ciclu primar??

Answer 2

$\dfrac ab=\dfrac53\Rightarrow a =\dfrac53\cdot b$

a=x% din b⇒

$\dfrac53\cdot b=\dfrac{x}{100}\cdot b\Rightarrow x=\dfrac{500}{3}=166,(6)$

Deci a reprezinta 166,(6)% din b.