7,4,5,9,x,52 .5,160.5 find x
Answers
Answered by
3
The wrong number is 51.
7 * .5 + .5 = 4,
4 * 1 + 1 = 5,
5 * 1.5 + 1.5 = 9,
9 * 2 + 2 = 20,
20 * 2.5 + 2.5 = 52.5,
52.5 * 3 + 3 = 160.6.
So, the wrong number is 51.
7 * .5 + .5 = 4,
4 * 1 + 1 = 5,
5 * 1.5 + 1.5 = 9,
9 * 2 + 2 = 20,
20 * 2.5 + 2.5 = 52.5,
52.5 * 3 + 3 = 160.6.
So, the wrong number is 51.
Similar questions