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barxatty [35]
3 years ago
10

Randy and Sandy have a total of 20 books between them. After Sandy loses three by leaving them on the bus, and some birthday gif

ts double Randy's collection, their total increases to 30 books. How many books did each have before these changes?
Explanation please :)
Mathematics
1 answer:
nasty-shy [4]3 years ago
3 0

Answer:

Randy had 13 books an Sandy had 7 books.

Step-by-step explanation:

20 - 3 = 17

30 - 17 = 13

13 x 2 = 26

26 + 4 = 30

13 + 7 = 20

Hope this helps! Please mark as brainliest.

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