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2 5 =

D S T. 2 5 =. 2 x 2 x 2 x 2 x 2 =. 32. 5.1 x 10 4 =. 5.1 x 10000 =. 51 000. Divide 25 in ratio 2:3. Divide 32 in ratio 3:1. 10. 15. 24. 8. 80 km. 4 min. 15 m/s. 25 km/hr. Calculate interest on £400 at 3%pa for (i) 2 years (ii) 3 months. 3% of £400 for 1 year. Interest =.

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2 5 =

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  1. D S T 25 = 2x2x2x2x2 = 32 5.1 x 104 = 5.1 x 10000 = 51 000 Divide 25 in ratio 2:3 Divide 32 in ratio 3:1 10 15 24 8 80 km 4 min 15 m/s 25 km/hr

  2. Calculate interest on £400 at 3%pa for (i) 2 years (ii) 3 months 3% of £400 for 1 year Interest = = £12 = 12 ÷ 4 So for 2 years 2 x 12 = for 3months = £24 £3.00 Calculate the VAT on £80 item. The VAT rate is 17.5% VAT = 17.5% of £80 8 10% of £80 = 5% 2.5% 4 = £14.00 2 How long did the train journeys take: 1050 to1100 to1600 to 1630 1520 to 1720 to 1755 5 hrs 40 min 2 hrs 35 min Convert to hours and minutes (i) 6.5hrs (ii) 4.3hrs (iii) 2.6hrs 0.5 x 60 = 30 0.3 x 60 = 18 0.6 x 60 = 36 (i) 6 hrs 30min (ii) 4 hrs 18 mins (iii) 2 hrs 36 mins

  3. Scales 1:1000 1kg = g 1000 1 cm : 1000 cm 1 litre = ml 1000 = 10 m 1 tonne = kg 1000 1cm “represents” 10 m 1 km = m 1000 Drawing Real 1 m = mm 1000 1 m = cm 100 3 cm 1cm = mm 10 80 m 1 ml = cm3 1 0.1 cm

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