The answer is: 50/12
I got it by making the 10 a fraction and in order to do that u have to just put a 1 under it, then you just multiply across, so you basically just multiply: 10x5 and 1x12, then you just put the answer as a fraction which would be 50/12 and if you want it in mixed form it would be 4 2/12 or if you want it simplified it would be 4 1/6, and i got to this answer by ''top in bottom out'' which means to divide 12 and 50.
Hope this helped :)