Solve for a
a=1.2
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500a+200a+120=960
Use the distributive property to multiply 200 by a+0.6.
700a+120=960
Combine 500a and 200a to get 700a.
700a=960-120
Subtract 120 from both sides.
700a=840
Subtract 120 from 960 to get 840.
a=\frac{840}{700}
Divide both sides by 700.
a=\frac{6}{5}
Reduce the fraction \frac{840}{700} to lowest terms by extracting and canceling out 140.
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