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lawyer [7]
3 years ago
11

Billy did a survey to answer the following question:

Mathematics
1 answer:
kogti [31]3 years ago
4 0

Answer:

7.8

Step-by-step explanation:

Since the average is 7.8 and everyone scored the same score so

that means everyone scored a 7.8

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You want to buy a book the book is 8.50 but 24% off. How much will the book with 8% tax included?
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Step-by-step explanation:

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tigry1 [53]
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