Question

Ка решить? Пж помогите!!!! ​

Answer 1

$3\frac{9}{14} / 2 \frac{1}{7} = x /1,5\\\\\\\frac{51}{14} * \frac{7}{15} = x / 1.5\\\\\frac{51} {30} = x/1.5\\\\1.7*1.5 = x\\\\x= 2.55$