Maths-
General
Easy

Question

Maria plans to rent a boat. The boat rental costs $60 per hour, and she will also have to pay for a water safety course that costs $10. Maria wants to spend no more than $280 for the rental and the course. If the boat rental is available only for a whole number of hours, what is the maximum number of hours for which Maria can rent the boat?

The correct answer is: Maria can rent the boat for maximum 4 hours.


    Solution:-
    • We have given that,
    Rental cost of the boat = $60 per hour,
    Cost of water safety course = $10
    Spend not to be exceeded = $280
    • We have to find the maximum number of hours for which Maria can rent the  boat.
    • Let number of hours = x
    Therefore, the boat is rented at $60 per hour,
    thus cost to rent a boat will be = 60x (hours)
    She wants to spend not more than $280, thus, = ≤ 280
    The maximum number of hours for which she can rent the boat will be
    = 60x + 10 ≤ 280
    Subtract 10 from both sides
    = 60x ≤ 280 – 10
    Divide both sides by 60
    = x ≤ 270 over 60
    We get
    x= 4.5
    x= 4 ( Because the boat may only be hired for whole numbers of hours, Maria can only rent it for a maximum of four hours.
    Answer: Maria can rent the boat for maximum 4 hours

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