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Convert 12/25 to a percentage.

Mathematics

ScanSolve AI Answer

Step-by-step solution

15 steps

Part 1.1· 2 steps

  1. Subtract the second number from the first.

    3.5−1.4=2.13.5 - 1.4 = 2.1
  2. Subtract the third number from the result.

    2.1−1.5=0.62.1 - 1.5 = 0.6

    0.6

Part 1.2· 1 step

  1. Conversion factor

    1 m = 100 cm.

    2.37×100=2372.37 \times 100 = 237

    237 cm

Part 1.3· 2 steps

  1. Conversion factor

    100 cm = 1 m.

    250÷100=2.5250 \div 100 = 2.5
  2. Write to 2 decimal places.

    2.5=2.502.5 = 2.50

    2.50 m

Part 1.4· 1 step

  1. Distance formula

    distance = speed ×\times time.

    50 km/h×1 h=50 km50\ \mathrm{km/h} \times 1\ \mathrm{h} = 50\ \mathrm{km}

    50 km

Part 1.5· 1 step

  1. Conversion factor

    1 kg = 1000 g.

    2.75×1000=27502.75 \times 1000 = 2750

    2750 g

Part 1.6· 2 steps

  1. Conversion factor

    1 tonne = 1000 kg.

    3.20×1000=32003.20 \times 1000 = 3200
  2. Write to 2 decimal places.

    3200=3200.003200 = 3200.00

    3200.00 kg

Part 1.7· 2 steps

  1. 500 ml = 0.5 L (since 1000 ml = 1 L).

  2. 1 L water weighs 1 kg.

    0.5 L×1 kg/L=0.5 kg0.5\ \mathrm{L} \times 1\ \mathrm{kg/L} = 0.5\ \mathrm{kg}

    0.5 kg

Part 1.8· 1 step

  1. Cost formula

    total cost = price per litre ×\times number of litres.

    1.20 £/L×25 L=30 £1.20\ \mathrm{£/L} \times 25\ \mathrm{L} = 30\ \mathrm{£}

    £30

Part 1.9· 3 steps

  1. The scale is marked at 59 kg, 60 kg, 61 kg.

    Each division = 1 kg.

  2. Car reading is 25% across the division from 60 kg to 61 kg.

    0.25×1 kg=0.25 kg0.25 \times 1\ \mathrm{kg} = 0.25\ \mathrm{kg}
  3. Add to starting mark.

    60+0.25=60.25 kg60 + 0.25 = 60.25\ \mathrm{kg}

    60.25 kg

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