Answer: A
Step-by-step explanation:
Answer: x = 5, HI = 17, JL=17
We know that P is 1700, plus 120 for every copy of the book he sells. As a result, P=120N+1700. If N=29, we have P=120*29+1700, or P=3480+1700, so P=5180.
He needs to practice 7.2 minutes
he practices for 4.8 minutes in that day
hope this helps