Respuesta :

ak78
part C:
Assume $x is what Laura's earn in one hour.
Jess earns in one hour is: j = $x - $2.90

Part D:
Jess earns in 20 hours:
20 * ($x - $2.90) = $20x - $58 (I.e. Jess earns $58 less than Laura)
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