The sum of three numbers is 20. If the first number is three times the difference between the second and the third, and the second number is two more than twice the third, find the three numbers. The three numbers are , , and

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.