Question

O persoana avea 200 lei in prima zi a cheltuit 3 supra lui 7 a doua zi a cheltuit 30% citi bani ai ramas

Answer 1

dupa prima zi mai are: 4/7 *200
dupa a doua zi mai are 70/100 * 4/7 *200 =80 lei

Answer 2

$\frac{3}{7} *200 + \frac{30}{100}* 200+ x=200$
$85,7+60+x=200$
$145,7+x=200$
$x=154,3 lei$