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The expression 12a+7s is the cost in dollars for a adults and s students to enter the local marching band competition.Find the total cost for 4 adults and 30 students

Respuesta :

sqdancefan

Answer:

  $258

Step-by-step explanation:

Put the numbers where the corresponding letters are in the formula and do the arithmetic.

  12a + 7s = 12(4) +7(30) = 48 +210 = 258 . . . . cost in dollars

The total cost is $258.

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