James organized a farewell party at his school for the 10th and 12th grade students. He has to pay $100 as rent for the party floor and his expenses on each dinner are $15 per student. Each student will pay $20 to James. How many students does James need to come to the party to reach a breakeven point? hint: James will breakeven when he has not lost or gained money.

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Step-by-step explanation:

use an equation of ratios to determine the amount of gas needed to fill the tank.

    0.2             0.8

  =    

288.75             x

                                                              231 gal

so, 0.2x = (0.8)(288.75 gal), and x = = 1155 gal.

                                                                0.2

it would take 1155 gal. to fill the tank.

the cost would be

1155 gal         $3

* = $3465   (answer)

      1           1 gal

hope this you

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation: