Question

If a:b = 2:3 and b:c = 4:5, find a:b:c.
plz tell​

Answer 1

Answer:

a:b = 2:3

b:c = 4:5

so b = 3×4

= 12

a:12 = 2:3

a = 2/3×12

= 8

12:c = 4:5

1/c = 4/5 × 1/12

c = 12 × 5/4

= 15

so,

a:b:c = 8:12:15

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Answer 2

Answer:

8:12:15

Step-by-step explanation:

a:b = 2:3= 2×4:3×4=8:12

b:c= 4:5=4×3:5×3=12:15

a:b:c = 8:12:15

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