Gina visited the aquarium with some of her cousins, aunts, and uncles. The group bought 20 admission tickets for $340. Adult tickets cost $2

Question

Gina visited the aquarium with some of her cousins, aunts, and uncles. The group bought 20 admission tickets for $340. Adult tickets cost $20, and children’s tickets cost $15. How many adult tickets and how many children tickets did the group buy?

Write a system of equations. Then, solve the system algebraically.

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Alice 2 weeks 2021-11-15T11:45:00+00:00 1 Answer 0 views 0

Answers ( )

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    2021-11-15T11:46:25+00:00

    Answer:

    Step-by-step explanation:

    20 a+5c=340

    a+c=20

    c=20-a

    20 a+5(20-a)=340

    20a+100-5a=340

    15a=240

    a=16

    a=20-16=4

    16 adult tickets

    4 children tickets.

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45:7+7-4:2-5:5*4+35:2 =? ( )