Answer:
1200 and 14400
Step-by-step explanation:
n - smaller number
The larger number is 12 times the smaller number
12n - larger number
n + 12n = 13n - the sum of these numbers
13n = 15600
÷13 ÷13
n = 1200
12n = 12•1200 = 14400
Check: 14400+1200 = 15600
