Posted by Thomas on .
A sequence is generated in which each term is 5 less than the previous term. If the twentieth term is -32, what is the fifteenth term ?
please answer and explain
math ( sequence ) -
There are 5 terms between T15 and T20, so we need to add 5 five times to back up from T20 to T15.
-32 + 5(5) = -7