Respuesta :
Step 1: Subtract 100 from 130
100 - 130 = 30
Step 2: Subtract 160 from 170
170 - 160 = 10
Step 3: Add the results found
30 + 10 = 40
The man makes a profit
100 - 130 = 30
Step 2: Subtract 160 from 170
170 - 160 = 10
Step 3: Add the results found
30 + 10 = 40
The man makes a profit