If 5 becomes 11 and 12 becomes 25, what does 15 become?

31.

Step-by-step explanation:

5+5 = 10 + 1 = 11

12 + 12 = 24 +1 = 25

15 + 15 = 30 + 1 = 31

I don't know I tried to see if that was the pattern. It checks out math wise.

31

Step-by-step explanation:

5---11

12---25

hmmm

isn't that jsut x * 2 + 1?

s

15 would be

15*2+1

which is 31

£56

step-by-step explanation:

u divide 24 by 3 and u get 8 so if u do 8 time 7 or 8+8+8+8+8+8+8 u get 56 and 56 divided by 7 is 8.

b i think

step-by-step explanation:

not really sure