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prohojiy [21]
3 years ago
11

PLZ HELP ITS ALL MY POINTS

Mathematics
1 answer:
matrenka [14]3 years ago
6 0

Answer:

30 cm

Step-by-step explanation:

Sorry if im wrong

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Jane is Billy's sister, Jane is 3 years older than 2 times Billy's age. If Billy is 7 years old then how old is Jane?
Cerrena [4.2K]
J(Jane) + 3 = B(Billy)*2
J + 3 = 7(2)
J + 3 = 14
J = 14-3
J = 11 (Jane is 11)Cheers!
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