Answer:
10.50x+11.90y=178.50
Explanation:
x = represent the number of hours worked stocking shelves
y= represent the number of hours worked in sales.
You earn $11.90 per hour as a salesperson = 11.90y.
You earn $10.50 per hour stocking shelves =10.50x.
Your combined earnings this month are $178.50.
10.50x+11.90y=178.50
The required equation model the situation is 10.50x+11.90y=178.50