Dayla earns $108.75 for working 15 hours of holiday open rap at this rate how much money will see you earn if she works 18 hours the next week explain

Using the unitary method the rate per hour can be determined, i.e
15 hours to $108.75
1 hour to 108.75/15 = $7.25 per hour

dayla would earn (7.25*18) for the preceding week which $130.50