Solve for x
x=15
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640\times 1.5x=14400
Multiply 8 and 80 to get 640.
960x=14400
Multiply 640 and 1.5 to get 960.
x=\frac{14400}{960}
Divide both sides by 960.
x=15
Divide 14400 by 960 to get 15.
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