Which one-variable linear equation can be formed using the substitution method? How many $5 raffle tickets were sold? Which equation can be used to determine how many $1.50 raffle tickets were sold? How many $1.50 raffle tickets were sold?
How many $5 raffle tickets were sold?
Which equation can be used to determine how many $1.50 raffle tickets were sold?
How many $1.50 raffle tickets were sold?
Coach Johnson knows that this system of equations represents the number of tickets sold before the tournament, x, and at the door, y. x + y = 743x – y = 75An assistant told him that 409 tickets were sold at the door and 334 tickets were sold before the tournament. Is this solution correct? Explain.
No, the assistant’s solution is incorrect. The solution (334, 409) satisfies the first equation, but not the second. The assistant mixed up the numbers. The solution should be (409, 334)
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