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Valentin [98]
3 years ago
14

Pls answer this and I will mark u brailist and give u thanks

Mathematics
1 answer:
AysviL [449]3 years ago
7 0
A + 3A = 120
4A = 120
A = 30
B = 90
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Answer:

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Step-by-step explanation:

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Cross multiply

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