11. A banquet hall charges a fixed rate, plus a cost of $15 per person. For a party of 50 people, the total cost is $1200.
Which equation models this relation, where C is the total cost, in dollars, and n is the number of people
attending? Show your work.
a. C = 24n
C. C = 15n + 450
b. C = 24n + 1200
d. C = 15n + 1200

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step-by-step explanation:

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

step-by-step explanation:

formula

x = x1 + p/w(x2 - x1)

let the line segment ab with a(x1,y1) and b(x2,y2)

a point(x,y) divide ab in the ratio, 2: 3 the x coordinate can be written as

x = x1 + p/w(x2 - x1)

here p=2 and w = 2+3

therefore,

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

similarly y coordinate y = y1 + 2/5(y2 - y1)