Answer:
Step-by-step explanation:
ur gonna have to find the multiples of 12 and 16....the least common multiple will be ur answer.
multiples of 12 are : 12,24,36,48,60
multiples of 16 are : 16,32,48,64
the lcm of 12 and 16 is 48....so he will go both hiking and swimming in 48 days