Madam Chong’s mass is 72 kg. After participating in a fitness programme, her mass decreases at a rate of 3 kg per month. Find the minimum n

Question

Madam Chong’s mass is 72 kg. After participating in a fitness programme, her mass decreases at a rate of 3 kg per month. Find the minimum number of months that Madam Chong has to participate in the programme so that her mass becomes less than 52 kg. (Give your answer to the nearest whole number.)​

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Verity 6 months 2021-07-16T11:03:49+00:00 1 Answers 37 views 1

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    2021-07-16T11:04:59+00:00

    decrease 3kg per month
    let x be the months that MC has to participate
    72 – 3x < 52
    -3x < -20
    x > 20/3
    about 7 months, i guess hth

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