Question

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

Answer 1

$258

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.