Question

When a number x is multiplied by 4, the result is 2/5. What is t he value of x

Answer 1

The equation:

`x\cdot4=(2)/(5)\ \ \ \ |\text{divide both sides by 4}\\\\x=(2)/(5):4\\\\x=(2)/(5)\cdot(1)/(4)\\\\x=(1)/(5)\cdot(1)/(2)\\\\\boxed{x=(1)/(10)}`