3 years ago

Hi, can someone please help?

Mathematics

1 answer:

LuckyWell [14K]3 years ago

6 0

Step-by-step explanation:

8÷2=4

12÷3=4

27÷9=3

•it does'nt always take the same amount of time to serve each customer .

•10×3=30

according to the question

2=18 point

4=36 point

8=72 point

18=9×2

36=9×4

72=9×8

so 1dollar =9point

•each dollar spent appears to earn the same number of point

•because 81=9×9, it costs 9 dollar

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