The sum of a and B is 18.7, and the decimal point of a moves one place to the right, which is exactly equal to B. how small are the two numbers

The sum of a and B is 18.7, and the decimal point of a moves one place to the right, which is exactly equal to B. how small are the two numbers

The decimal point of number a moves one place to the right, which is exactly equal to number B
It shows that number B is 10 times of number a
18.7÷(1+10)=1.7
1.7 is the number a
B = 1.7 × 10 = 17