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21-10-2021
Mathematics

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What is the answer to this question number 2

What is the answer to this question number 2 class=

Respuesta :

akingbadeadeniji akingbadeadeniji

21-10-2021

Answer:

B

Step-by-step explanation:

number of adults=a

number of children=1

cost of adult tickets=$9 per adult

cost of children's tickets=$6 per child

Total cost=$78

9(a)+6(1)=78

9a+6=78 B

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