Question

qual o resultado da letra d ?

Answer 1

$\frac{3}{4}y-\frac{y}{5}+\frac{7}{2}y$

$\frac{3y}{4}-\frac{y}{5}+\frac{7y}{2}$

$\frac{15y}{20}-\frac{4y}{20}+\frac{70y}{20}$

$\frac{81y}{20} =\frac{81}{20}y$