Math

posted by .

C (n) = 500 + 4n ,

C is cost in dollars. of renting hall 4 prom given my equation:

C (n) = 500 + 4 n

n = # of students going to prom.

Calculate cost of renting hall
if 70 students go.

A. $108
B. $500
C. $780
D. $970

  • Math -

    500 + 4(70)
    500 + 280 = ?

  • Math -

    So it would be $780. Thanks helper =)

  • Math -

    correct, you're welcome

  • Math -

    c=500+ 40n

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. school

    amy's orchestra teacher is planning a fall concert the cost of renting the music hall is $2000 he decides to charge each person $5.50 attend the concert to cover the cost of renting the hall how many people will have to attend to cover …
  2. Math - Algebra word problem

    Ace manufacturing has determined that the cost of labor for producing x transmissions is L(x) = 0.3x2 + 400x + 550 dollars, While the cost of materials is M(x) = 0.1x2 + 50x + 800 dollars. Write a polynomial T(x) that represents the …
  3. alegebra

    a cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given C=0.25(t-500)+80.95, where it is assumed that t>=500 minutes. What times will keep cost between $123.45 and $146.95?
  4. Math

    A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C=0.25(t-500)+ 56.95, where it is assumed that t is greater than or equal to 500 minutes. What times will keep cost …
  5. math

    Thw total cost of a meal at a banquet hall is $20 per person plus a $500 charge for renting Suppose the total was $2160 find the number of guests?
  6. prom

    how come at a prom, you have to do crowning. what is the crowning for?
  7. 6th grade math

    The ratio of the number of adults to the number of students at the prom has to be 1:10. There are 477 more students than adults. How many adults are at the prom?
  8. Math

    the ratio of of the number of adults to the number of students at the prom has to be 1:10. Last year there were 477 more students than adults at the prom. If the school is expecting the same attendance this year how many adults have …
  9. math

    The ratio number of adults to students at the prom is 1:10. Last year there were 162 more students at the prom. If the school is expecting the same attendance this year,how many adults have to attend?
  10. Math

    The cost of producing x units of a certain commodity is given by P(x)=1000+ int(MC(s))ds from 0 to x, where P is in dollars and M(x) is marginal cost in dollars per unit. A. Suppose the marginal cost at a production level of 500 units …

More Similar Questions