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10 August, 11:45

An amusement park charges 5$ for admission and 2$ for each ride write an expression for the total cost of admission and r rides How Many Rides Can U Go On If U Have 16$?

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  1. 10 August, 11:50
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    C = 5 + 2r

    You can go on 5 rides.

    First, create the expression for the cost.

    c = ?

    Since the price of admission is $5, that becomes a term in the expression, so the new expression is:

    c = 5 + ?

    And since you need to pay for each ride (r) that also becomes a factor in the expression. Giving you:

    c = 5 + 2r + ?

    There isn't anything else that costs you money, so you can get rid of the placeholder of + ? giving you a final expression of

    c = 5 + 2r

    Now you need to figure out how many rides you can go on for $16. Lets figure it out.

    You first have to subtract the price of admission. So you get

    16 - 5 = 11

    So after being admitted, you now have $11 in which to pay for rides. Since each ride costs $2, simply divide 11 by 2.

    11 / 2 = 5.5

    Since you really can't go on half a ride, that means you can go on 5 rides after being admitted to the park.
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