4 is 2% of what number

200

Step-by-step explanation:

let the number be 'x'.

so, the equation can be represented as:

2 / 100 * x = 4

2x / 100 = 4

2x = 4 * 1 00

2x = 400

x = 400 / 2 = 200

therefore, 4 is 2% of 200