Answer :
47 because start at 1 and 3 add the two together and then that is how you get the next number in this sequence . Which is 4+previous nunber which is 3= 7
7+4=11, 11+7=18 11+18=29 , and 18+29=47
Does this help you any
7+4=11, 11+7=18 11+18=29 , and 18+29=47
Does this help you any