Part a: ms. donaldson earns $18.80 per hour for the first 40 hours she works in a week. she earns 1 1/2 times that amount per hour beyond 40 hours in a week. last week ms. donaldson worked 45.5 hours. how much money did she earn?

part b: a health insurance payment of $34.55 was deducted from ms. donaldson's earnings for the week. after the insurance deduction, payroll taxes equal to 28% of the balance were deducted. what was the amount that ms. donaldson received?