Question

2. Given that a:b:c = 20 : 35:15,
(a) simplify a : b:c, (b) find a : b,
(c) find c:b.
3. Given that x:y:2 = 5 : 4.62:33,
(a) simplify x:y:2, (b) find y: x,
(c) find x :z.
4. Find the ratio of a : b:c, if
(a) a:b= 3:4 and b:c= 4:9.
(b) a : b = 5:3 and 6: c = 4:1.
(c) a: b = 2 : 1 and b:c=1:




Give me the answer of 3a​

Answer 1

Answer:

a .4.7.3 b.4.7 c.7.3

Step-by-step explanation:

3.