Answer:
WHAT IS LESSON 25 BRO
Step-by-step explanation:
Answer: she made a mistake between 1 and 2
B) 4Na + O₂ → 2Na₂O
b) H₂ + Cl₂ ---> 2HCi
Since the photo booth charges a $500 fee for two hours at the party and an additional 50 dollars per hour, we have:
50x+500=C
Where x is the hours stayed and C is the total cost. Since Cindy doesn't want to spend more than 700 dollars, we have:

So she spent an additional 4 hours on the rental.