Ask Question
16 June, 22:03

A teacher buys 50 train tickets for a school trip for a total cost of $1,200. She buys x number of student tickets for $20 each. She also buys y number of adult tickets for $30 each. How many adult tickets did she buy?

+3
Answers (1)
  1. 16 June, 23:41
    0
    y=20, x = 30

    Step-by-step explanation:

    x+y=50;

    20x+30y=1200

    20x+20y=1000, multiplying the top by 20

    -20x-30y=-1200, subtracting the second.

    -10y=-200

    y=20 adult tickets ($600)

    x=30 student tickets ($600)

    (add up to $1200)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A teacher buys 50 train tickets for a school trip for a total cost of $1,200. She buys x number of student tickets for $20 each. She also ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers