Answer:
A
Step-by-step explanation:
9 = (1/27)^(a+3)
3² = (3^-3)^(a+3)
3² = 3^(-3a-9)
2 = -3a-9
-3a = 11
a = -11/3
-20, -23, -26 (adding three)
16 is 4% of
400 Change the percentage into a decimal by dividing the decimal over 100:

Divide 16 by the decimal (0.04):
Answer:
8
Step-by-step explanation:
for every 3 pizzas 1 free order is served
in 24 pizzas there is 8 (3 pizzas) so 8 free order