A fruit vendor has bought the oranges in the central market at € 1.55 a kilo and wants to earn 15% from the sale. At what price does he have to sell them?

1.78

Step-by-step explanation:

You need to multiply 15 percent by 1.55 which give you about. 23 when rounded to the nearest hundredth, then you add this. 23 to 1.55 to give you 1.78.