What is x?

3/5x = 1/3

Thanks for the help!

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Is the square root of 4 plus the square root of 16 rational?

What is the gcf of 20c^3-5c^4+30c^6