Search 74,322 tutors
FIND TUTORS
Ask a question

Answers by Alaina O.

These numbers are related in the following way, beginning with 3: First, we subtract 9 to get -6: 3 - 9= -6. Next, we add 18: -6 + 18= 12.  To get from 12 to 4, we subtract 8: 12 - 8 = 4, and to get from 4 to the final number of 20, we must add 16: 4 + 16= 20.  We need to examine...