Question

Find a : b : c when a : b = 4: 5 and b : c = 2: 7. ANSWER WITH ALL THE STEPS

Answer 1

Answer:

The answer is a:b:c =8:10:35.

Step-by-step explanation:

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Answer 2

Find a : b : c when a : b = 4: 5 and b : c = 2: 7. ANSWER WITH ALL THE STEPS

Given a:b= 4:5

so a=4x and b = 5x

(i) Find a : b : c when a : b = 4: 5

4x * 5x * c=

20x*c=

c=-20x

(ii) Find a : b : c when  b : c = 2: 7

a*2x*7x=

a * 14x=

a=1/14

now using the help of (i)