Respuesta :
all you have to do is add 64 + 45 which equals 109 then subtract from fifty which is b 47
Answer:
x= 47
Step-by-step explanation:
They are biking 3 days
64+45+x where x is the distance on the third day
The total is 156
64+45+x = 156
Combine like terms
109 +x = 156
subtract 109 from each side
109+x-109 = 156-109
x =47