marshlac000 marshlac000

20-01-2022
Mathematics

contestada

I need help I tried solving it but it was wrong

I need help I tried solving it but it was wrong class=

Respuesta :

rosesanchez1 rosesanchez1

20-01-2022

a child’s ticket costs $19.

c= child a= adult

problem 1:
three adults and four children must pay $136

3a+4c=136
4c=136-3a
c=34-3a/4

now we substitute c

2a+3(34-3a/4)=97
2a+102-9a/4=97
-a/4=-5
a=20

60+4c=136
4c=76
c=19

Answer Link

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