area=L∗W
total area of parking lot = Ttl.A
length = L = (4x+10)m
width = W =(2x+10)m
visitor's area = V.A = 24m2
workforce area = W.A
Ttl.A=(4x+10)∗(2x+10)
Ttl.A=8x2+40x+20x+100
Ttl.A=(8x2+60x+100)m2
area for workforce = total area - area for visitors
W.A=Ttl.A−V.A
W.A=(8x2+60x+100)−24
W.A=8x2+60x+76
area for workforce = (8x2+60x+76)m2
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Suppose that the basic hourly rate for a weekly paid worker at katic life assurance is $45 and any hours above are paid at $65. Tax is paid at a rate of 25% on any earnings above $750 a week. Assuming hours worked for this worker per week (H) exceed 40; write an expression for the net weekly wage in terms of H, simplifying it to it's lowest terms.
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