Question

Если $\frac{z}{t} =5,\frac{t}{k}=12, то чему равно \frac{z}{k}$?

Answer 1

$\displaystyle\bf\\\frac{z}{t} =5\\\\\frac{t}{k} =12\\\\\frac{z}{k} =?\\\\\\\frac{z}{t} \cdot\frac{t}{k} =5\cdot 12\\\\\\\boxed{\frac{z}{k} =60}$