(13 * 2) - 4 = 22
(22 * 2) - 4 = 40
Take it from there.
In a list of numbers that starts with the number 13, every number is 4 less than twice the number that comes just before it.What will the fifth number in the list be?
4 answers
I know that, 22, 40, 76, 148, 292
the fifth is 292
but the answer is 1.18 2.40 3.76 4.148 5.196
the fifth is 292
but the answer is 1.18 2.40 3.76 4.148 5.196
may i ask is it include 13, if include 13, the answer is 148
Yes. The fifth number is 148.