Asked by Emma
the cost c of going to the movies varies directly with the number of people N attending. A group of four paid $14 to go to the movies on Friday. Write an equation that relates c & n. How much would it cost for seven people to go to the movies.
Answers
Answered by
Steve
c = kN
From the data,
14 = 4k
k = 7/2
so,
c = 7/2 N
Now just plug in N=7 to get the cost.
cheap tickets! Must be an old problem, or a discount theater...
From the data,
14 = 4k
k = 7/2
so,
c = 7/2 N
Now just plug in N=7 to get the cost.
cheap tickets! Must be an old problem, or a discount theater...
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