Answer :
100/13.7 = 7.2999
7.299 x radius of mars = 7.299 x 3397 = 24795.62
therefore radius of Neptune = 24795.62
Hope this could help!
7.299 x radius of mars = 7.299 x 3397 = 24795.62
therefore radius of Neptune = 24795.62
Hope this could help!