Answer: 17.19%
Step-by-step explanation:
Your Investment in Euros;
= 50,000 / 1.35
= €37,037.04
Investment gained 13%;
= 37,037.04 * ( 1 + 13%)
= €41,851.86
Change it back to dollars at rate of $1.4;
= 41,851.86 * 1.4
= $58,592.60
Percentage return = ( 58,592.60 - 50,000) / 50,000
= 17.19%