Question

The numbers on two consecutively numbered gym lockers have a sum of 143. What are the locker numbers

Answer 1

A + a + 1 = 143

2a + 1 = 143

2a = 142

a = 71

b = 71 + 1

b = 72

check;

71 + 72 = 143

143 = 143

so your answer is 71 and 72. hope this helps, God bless! 

Answer 2

143 divided by 2 = 71.5
71.5 - .5 = 71
.5 + .5 = 1
71 + 1 = 72
So the answer is 71 and 72