How many is? 21 = 12z  15 ???
Mathematics
michgarola
Question
How many is?
21 = 12z  15 ???
21 = 12z  15 ???
2 Answer

1. User Answers Lisham
the answer is going to be 3 
2. User Answers Saraebaum
z=3 is the answer because 15+21=36 and 36 divided by 12 = 3 so therefore, z=3