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Sagot :
Answer:
Step-by-step explanation:
a.) Add the individual items that make up the total expense. Multiply the expenses that are daily by n, the number of rental days. The will be the total cost, C.
Numbers except for days, n, are in dollar units ($):
C = Down Payment(500) + Water and Batteries(50) + Rent (100n) + Fuel (27.50n) + Food (62.5n):
C = 500 + 50 + 100n + 27.50n + 62.50n
C = 550 + (100 + 27.50 + 62.50)n [Simplify]
a.) C = 550 + (190)n
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b.) 3000 = 550 + 190n
2450 = 190n
b.) n = 12.89 days
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c.) C1 = 300n
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300n = 550 + 190n
110n = 550
c.) n = 5 days: it would be cheaper to hire form the second company for up to 5 days.
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