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Kamila [148]
3 years ago
12

A + c =150 9a + 6c = 1155

Mathematics
1 answer:
aalyn [17]3 years ago
6 0
a+ c =150\\
9a + 6c = 1155\\\\
a+c=150\\
3a+2c=385\\\\
-2a-2c=-300\\
\underline{3a+2c=385}\\
a=85\\\\
85+c=150\\
c=65


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