Solve for y
y=360
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1.5y+0.5y=720
Multiply 3 and 0.5 to get 1.5.
2y=720
Combine 1.5y and 0.5y to get 2y.
y=\frac{720}{2}
Divide both sides by 2.
y=360
Divide 720 by 2 to get 360.
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