how do you get the answer 15 with the numbers 3 7 12 and 2

Question

bob

 

Answer 1

3*7-12/2 = 15

 

Analysis:

  "/" in a problem like this usually must produce an integer.    12/2 works

  7*12 is too large to get back to 15

  Since 15 is odd, you might add or subtract an even and an odd number