Answer:The answer is B !
Step-by-step explanation:
Presumably we're being asked for the line which passes through (3,5) and (-1,5) which is simply
Hello!
Let 'a' stand for adult tickets and 'c' for children tickets.
a + c = 15
(Both adult and children tickets make up a total of 15 tickets).
30a + 20c = 330
a = 3
c = 12
A N S W E R:
William bought 3 adults tickets and 12 children's tickets.