Question

Dois setimos de 140



30% de 1500

Answer 1

Dois setimos de 140

$\dfrac{7}{2} =\dfrac{140}{X} \\ 7X = 2*140 \\ 7X = 280 \\ X =\dfrac{280}{7} \\ X = 40$

Resposta : 40


30% de 1500


$\dfrac{100}{30} =\dfrac{1500}{X} \\ 100X = 30 * 1500 \\ 100X = 45000 \\ X =\dfrac{45000}{100} \\ X = 450$


Resposta : 450