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Goshia [24]
3 years ago
7

Jim scores the following marks in 8 tests.

Mathematics
1 answer:
belka [17]3 years ago
5 0

Answer:

7.5

Step-by-step explanation:

7+8+y+6+9+10+5=7.5×2

45+y=52.5

y=52.5–45

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