Answer :
Answer:
c= 15
Step-by-step explanation:
a= # of adults c= # of children
a+c=20
15a + 10c = 225
c= 20-a
substitute 20-a into 15a +10c =225
15a + 10(20-a)= 225
solve for c
hope this helped! :)
Answer:
c= 15
Step-by-step explanation:
a= # of adults c= # of children
a+c=20
15a + 10c = 225
c= 20-a
substitute 20-a into 15a +10c =225
15a + 10(20-a)= 225
solve for c
hope this helped! :)