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3 years ago

Need help asap please!!

Mathematics

1 answer:

tamaranim1 [39]3 years ago

6 0

Answer:

A) 40 + d

B) 45 days

Step-by-step explanation:

total cost = (cost of the air conditioner itself) + (money charged per day)*(days)

cost of air conditioner itself = $40

money charged per day = $1

days = d

40 + 1*d

= 40 + d

total cost = 40 + d

total cost = $85

85 = 40 + d

45 = d

Time used the air conditioner for 45 days.

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