22-08-2015
Mathematics

contestada

12+2=26
13+3=52
14+4=60
15+5=?

Respuesta :

22-08-2015

(12 x 2) +2 =26

(13 x 3) + 3 = 42 NOT 52

(14 x 4) + 4 = 60

So the pattern is

a + b = ab + b

So

15 + 5 = (15)(5) + 5 = 75+ 5 = 80

Your answer is 80

I like these kind of questions xD

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