Plug in 10 for y, and 5 for d
10 + 5 = 15
15 is your answer
hope this helps
Answer: the correct answer is A
Step-by-step explanation:
i just took the test
Answer:
170 tickets.
Step-by-step explanation:
Write formulas for the question.


Then use substitution.




So number of $3 tickets sold is 230. But they ask for the tickets bought in advance (i.e. the tickets sold for $2). Use substitution again.

Answer:
hi
Step-by-step explanation: