4 years ago

Help on number 12 please

Mathematics

1 answer:

stellarik [79]4 years ago

8 0

Answer:

Step-by-step explanation:

a=adult ticket

s=student ticket

5a+18s=114

4a+6s=66

multiply by 3

12a+18s=198

12a+18s-5a-18s=198-114

7a=84

a=12

4×12+6s=66

6s=66-48

6s=18

s=3

cost of adult ticket=12 $

cost of student ticket=3 $

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