Respuesta :

Find the unit rate of their money earned.

Yvette: 1 hour of work, $8.25   (divide 66/8)
Lizbeth: 1 hour of work, $8.60  (divide 68.80/8)

Subtract 8.60 - 8.25

Lizbeth earns $0.35 per hour more than Yvette. 
Yvette earned $8.25 and lizbeth earned $8.60 so lizbeth earned 35 cents more

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