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10 March, 06:25

Victor can wash 2 cars in 8 minutes. At this rate, how long would it take Victor to wash 20 cars? Answer in minutes and without units.

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Answers (2)
  1. 10 March, 07:10
    0
    Answer: 80 minutes

    Step-by-step explanation: For this problem we will be using the ratio 2:8 which states that for every 2 cars, Victor can wash them in 8 minutes.

    Basically, keep adding 2 to the left side of the ratio and keep adding 8 to the right side of the ratio until you get 20 cars on the left side.

    2:8

    4:16

    6:24

    8:32

    10:40

    12:48

    14:56

    16:64

    18:72

    20:80

    So, in 80 minutes, Victor can wash 20 cars.
  2. 10 March, 08:59
    0
    Answer: 80 mins.

    Step-by-step explanation:

    1 car = 4 mins

    20 cars x 4 mins = 80 mins.
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