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Maths - ratio and proportion
08/03/2023
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Unit 9-ratio and proportion Working with ratios. Simplifying: 2:4 = 1:2 3:63=1:21 123:369=1:3 examples: £-1 is worth $1.-14. how much is $291.84 $29184 도 R 20:40 = 1:2 3-189=1:63 1231107 = 1:9 -1.14 Scale Models 1cm = 10mm. Im = 1000 mm. buthat is this in £ $29184-114 =256 £256 im = 100 cm 1hm = 100,000cm 1km=1000m 1km = 1,000,000 sharing in ratios Share £24 into following 1:1 = £12:£12 ratios 1:2 = £8: £16 1:1:1 = £8:£8:£8 7:5 = £14:£10 Finding fractional proportions 15 04 74 = 3/2 3/8 = 4/5 = ²3 x² = 30 265 of 2 2 15 26 ^ KFC 1:3= £6:18 3=6:3= £6:$ 12:46 equivalent: 1/2 X ³/4 = ³/12- A times together Combining ratios ↳a cardealership has 3 types of cars, disel, petrol and eletric d: p P: e +3 / 1:2 2x32 (2³:42x² x3 3:6 6:8 V 3:6:8 d:P: e 1. expand VT2 -Simplify X5 (3 St 3:4 Squares to triangles 3:4 15:20 20:4 t: r 2x5+²4 (512x4 factorise Complex ratios 1₁ a: b = √3 +2:√√√2 +4 simplited → LCM =20 15:20:4 √5 +2:2√3 +4 J a : b √312√√√2+4 √3+2√√√√4x√√3+4 we know root 4=2 √3422(√3+2) 1:2 bring together b:c=√24: √54 b: c expard √24:√√54 √24 and $54. √4X√6:√9 X√6 12X√6:36 + triangles to rectangles 5:1 we know we know root 4 = 2 100+ 9 = 3 1 2 X√6:3X√ 6 1:2:3 a: bic 2=3+ simplify 10273 ☺▬▬▬▬▬▬▬▬▬▬▬▬
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