Question

write each ratio in the
simplest foom 28 x²
:100x2y

​

Answer 1

Answer:

$(a) (i)4:6=\frac{4}{6}=\frac{2}{3}=2:3(i)4:6=64=32=2:3</p><p></p><p>(ii)48:54=\frac{48}{54}=\frac{8}{9}=8:9(ii)48:54=5448=98=8:9</p><p></p><p>(iii)200:250=\frac{200}{250}=\frac{4}{5}=4:5(iii)200:250=250200=54=4:5</p><p></p><p>(b) (i) 5kg:800gm = 5000:800</p><p></p><p>(5 x 1000gm = 5000gm)</p><p></p><p>=\frac{5000}{800}=\frac{50}{8}=25:4=8005000=850=25:4</p><p></p><p>(ii) 30cm : 2m = 30 cm : 200 cm</p><p></p><p>(3 x 100 cm = 300 cm)</p><p></p><p>=\frac{30}{200}=\frac{3}{20}=3:20=20030=203=3:20</p><p></p><p>(iii) 3 m : 90 cm = 300 cm : 90 cm</p><p></p><p>( 3 x 100cm = 300 cm)</p><p></p><p>=\frac{300}{90}=\frac{10}{3}=10:3=90300=310=10:3</p><p></p><p>(iv) 2 years : 9 months = 24 months : 9 months</p><p></p><p>(2 years = 2 x 12 = 24 months)</p><p></p><p>=\frac{24}{9}=\frac{8}{3}=8:3=924=38=8:3</p><p></p><p>(v) 1 hour : 45 minutes = 60 minutes : 45 minutes</p><p></p><p>( 1 hour = 60 minutes)</p><p></p><p>\frac{60}{45}=\frac{4}{3}=4:34560=34=4:3</p><p></p><p>(vi) 4 min : 45 sec = 240 sec : 45 sec</p><p></p><p>(1 minutes = 60 sec , 4 x 60 = 240 sec)</p><p></p><p>=\frac{240}{45}=\frac{16}{3}=16:3=45240=316=16:3</p><p></p><p>(c)\ (i)\ 1\frac{1}{2}:2\frac{1}{2}=\frac{3}{2}:\frac{5}{2}=\frac{3}{2}\div\frac{5}{2}(c) (i) 121:221=23:25=23÷25</p><p></p><p>=\frac{3}{2}\times\frac{2}{5}=\frac{3}{5}=3:5=23×52=53=3:5</p><p></p><p>(ii)\ 3\frac{1}{2}:7=\frac{7}{2}:\frac{7}{1}=\frac{7}{2}\div\frac{7}{1}(ii) 321:7=27:17=27÷17</p><p></p><p>=\frac{7}{2}\times\frac{1}{7}=\frac{1}{2}=1:2=27×71=21=1:2</p><p></p><p>(iii)\ 2\frac{1}{3}:3\frac{1}{2}:1\frac{1}{4}=\frac{7}{3}:\frac{7}{2}:\frac{5}{4}(iii) 231:321:141=37:27:45</p><p></p><p>=\frac{7}{3}\times12:\frac{7}{2}\times12::\frac{5}{4}\times12=37×12:27×12::45×12</p><p></p><p>(L.C.M of 2,3 and 4 = 12)</p><p></p><p>= 28 : 42 : 15</p><p></p><p>(iv)x^2:4x=\frac{x^2}{4x}=\frac{x\times x}{4\times x}=\frac{x}{4}=x:4(iv)x2:4x=4xx2=4×xx×x=4x=x:4</p><p></p><p>(v)\ 2.5:1.5=\frac{25}{15}=\frac{5}{3}=5:3(v) 2.5:1.5=1525=35=5:3</p><p></p><p>OR,2.5:1.5=\frac{25}{10}:\frac{15}{10}=\frac{25}{10}\div\frac{15}{10}OR,2.5:1.5=1025:1015=1025÷1015</p><p></p><p>=\frac{25}{10}\times\frac{10}{15}=\frac{25}{15}=\frac{5}{3}=5:3=1025×1510=1525=35=5:3</p><p></p><p>(vi)\ 2.5:5=\frac{25}{10}:\frac{15}{10}=\frac{25}{10}\div\frac{15}{10}(vi) 2.5:5=1025:1015=1025÷1015</p><p></p><p>=\frac{25}{10}\times\frac{10}{15}=\frac{25}{15}=\frac{5}{3}=5:3=1025×1510=1525=35=5:3</p><p></p><p>(vi)\ 2.5:5=\frac{25}{10}:\frac{5}{1}=\frac{25}{10}\div\frac{5}{1}=\frac{25}{10}\times\frac{1}{5}(vi) 2.5:5=1025:15=1025÷15=1025×51</p><p></p><p>=\frac{5}{10}=1:2=105=1:2</p><p></p><p>OR, 2.5 : 5 = 2.5 : 5.0 = \frac{2.5}{5.0}=\frac{25}{50}=\frac{1}{2}=1:25.02.5=5025=21=1:2</p><p></p><p>$

Answer 2

Answer:

hi bro how are you

make me as brainliest