Question

What is the value of x?

Answer 1

`\\ \sf\longmapsto (x)/(10)=(42)/(15)`

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

`\\ \sf\longmapsto 15x=420`

`\\ \sf\longmapsto x=(420)/(15)`

`\\ \sf\longmapsto x=28`