Question

Qual deve ser o valor de M para que as frações 4/7= M/(42 ) sejam equivalentes? ​

Answer 1

$\boxed{\begin{array}{l}\sf\dfrac{4}{\backslash\!\!\!7_1}=\dfrac{M}{\diagdown\!\!\!\!\!42_6}\\\\\sf\dfrac{M}{6}=4\\\\\sf M=6\cdot4\\\sf M=24\end{array}}$