Brandon decided to take his family to a water park and celebrate the end of the school year. The cost is $9.50 for parking and $15 for each person for the entire day. a. Define the variable and write a linear equation for the situation

b. Use the equation to find the cost if Brandon has 5 members in his family

i think it is

step-by-step explanation:

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answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb

yes yes yes yes yes yes yes yes yes

i dont understand

step-by-step explanation: