Question

Question 2: (i) State whether the ratios are proportional or not, 20 : 45 and 4:9. (ii) If x: 15 :: 40:60, find the value of x. ​

Answer 1

Answer:

20:45=4:9

Therefore it is proportional

x:15::40:60

x:15×3:2

3x=30

x=30:3

x=10

Mark me as the brainiest