A/A+15=4/9
Please solve for A
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2
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Answered by
1
Answer:
12
Step-by-step explanation:
A / ( A + 15 ) = 4 / 9
A x 9 = 4 ( A + 15 )
9A = 4A + 60
9A - 4A = 60
5A = 60
A = 60 / 5
A = 12
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