Question

The expression

9
a
+
6
s
is the cost for
a
adults and
s
students to see a musical performance. What is the total cost for three adults and five students?

Answer 1

9a+6s =cost

substitute 3 adults and 5 students

9(3) +6(5) = cost

multiply

27+30=cost

add

57=cost

Total cost is $57