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nika2105 [10]
2 years ago
12

OA

Mathematics
1 answer:
andrew11 [14]2 years ago
7 0

Answer:

4.5

Step-by-step explanation:

that is

their rates =1/6, 1/3 respectively

total =1/2

if 1/2=9

1= 9/2

= 4.5

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Answer:

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6 0
3 years ago
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olga_2 [115]

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Step-by-step explanation:

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8 0
3 years ago
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3 0
2 years ago
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