Question

What is the value of x?

Answer 1

$\\ \sf\longmapsto \dfrac{x}{10}=\dfrac{42}{15}$

$\\ \sf\longmapsto 15x=42(10)$

$\\ \sf\longmapsto 15x=420$

$\\ \sf\longmapsto x=\dfrac{420}{15}$

$\\ \sf\longmapsto x=28$