Tickets for a train cost $22 for adults and $10 for children. josie paid $1,200 for a total of 72 tickets. how many adult tickets and how many child tickets did josie buy?

Josie bought 40 adult tickets and 32 children tickets.

Step-by-step explanation:

x+y=72

22x+10y=1200

x=72-y

22(72-y)+10y=1200

1584-22y+10y=1200

1584-12y=1200

12y=1584-1200

12y=384

y=384/12=32

x+32=72

x=72-32=40

x=40, y=32. (40, 32)

step-by-step explanation:

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a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

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