P = d - 5.50
The cost of buying materials will be subtracted from what he earns. Therefore, what’s left over is the profit
Answer:
This equation has one solution
Step-by-step explanation:
Number of solution depends on the involved variables so here in this equation only one variable involve so one solution exist.
Answer:
1/2
Step-by-step explanation:
Independent: cell phone plan
dependent: monthly cost
constant: per month/per minute (money)
