# Math Help

The cost of holding a party at a rollerskating rink is a function of n, the number of people in the party. The cost function, C , can be represented with this set of rules:

C(n) = 150 ,0 < n ≤ 12
260, 12 < n ≤ 20
400, 20 < n ≤ 30

The cost of a party with 9 people is \$_____
.

The cost of a party with 20 people is \$_____

1. 👍
2. 👎
3. 👁
1. since 9 ≤ 12, that would be C(9) = 150
now do n=20

1. 👍
2. 👎
👤
oobleck
2. C(9)=400

1. 👍
2. 👎

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