There are 520'pages in the whole book because if you divide 390 by 3 you get 130 and if you multiply that by 4 you get 520, hope this helps! Please give brainiest answer and say thanks.
Yes they are equivalent 17+12=29 and 12+17=29.
Answer:
B.
Hope that helps!
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numerical
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i guess not sure though
Answer:
the mean marks of the girls is 86%
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