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Mathematics

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Step-by-step solution

3 steps

a)
Situasi: Lily membeli 4 liter minyak masak dengan harga RM 48

Kadar:

RM 484 liter\frac{\text{RM } 48}{4 \text{ liter}}

Kuantiti yang terlibat:

  • Harga (RM)
  • Isipadu (liter)

b)
Situasi: Jimmy dibayar RM 500 untuk bekerja selama 8 hari

Kadar:

RM 5008 hari\frac{\text{RM } 500}{8 \text{ hari}}

Kuantiti yang terlibat:

  • Gaji (RM)
  • Masa (hari)

a) Harga kacang panjang ialah 6 sen / gram (RM / kg)

  1. Write down the given rate.

    6 sen1 gram\frac{6 \text{ sen}}{1 \text{ gram}}
  2. Convert sen to RM.

    (1 RM = 100 sen)

    6 sen1 gram×1 RM100 sen=6100RMgram=0.06RMgram\frac{6 \text{ sen}}{1 \text{ gram}} \times \frac{1 \text{ RM}}{100 \text{ sen}} = \frac{6}{100} \frac{\text{RM}}{\text{gram}} = 0.06 \frac{\text{RM}}{\text{gram}}
  3. Convert gram to kg.

    (1 kg = 1000 gram)

    0.06RMgram×1000 gram1 kg=0.06×1000RMkg=60RMkg0.06 \frac{\text{RM}}{\text{gram}} \times \frac{1000 \text{ gram}}{1 \text{ kg}} = 0.06 \times 1000 \frac{\text{RM}}{\text{kg}} = 60 \frac{\text{RM}}{\text{kg}}

    The price of long beans is RM 60 / kg\boxed{\text{RM } 60 \text{ / kg}}.

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