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10 February, 14:29

Next weekend Marnie wants to attend either carnival A or carnival B. Carnival A charges $6 for admission and an additional $1.50 per ride.

Carnival B charges $2.50 for admission and an additional $2 per ride.

a) In function notation, write A (x) to represent the total cost of attending carnival A and going on x rides.

A) In function notation,

write B (x) to represent the total cost of attending carnival B and going on x rides.

b) Determine the number of rides Marnie can go on such that the total cost of attending each carnival is the same.

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  1. 10 February, 17:54
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    Step-by-step explanation:

    carnival A : $ 6 dollar admission and $ 1.50 per ride

    A (x) = 1.5x + 6

    carnival B : $ 2.50 admission and $ 2 per ride

    B (x) = 2x + 2.5

    how many rides can Marnie go on so that the total cost of attending both is the same ...

    1.5x + 6 = 2x + 2.5

    6 - 2.5 = 2x - 1.5x

    3.5 = 0.5x

    3.5 / 0.5 = x

    7 = x <== = she would have to go on 7 rides for them to both cost the same
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