Question

If a : b = 7 : 5 and b : c = 9 : 14, find a : b : c

Answer 1

Answer:

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Answer 2

Answer:⤵️

a:b:c = 63:45:70

Step-by-step explanation:⤵️

a:b = 7:5

then,

a/b = 7/5

=> a/b = (7×9)/(5×9)

=> a/b = 63/45

=> a:b=7:5=63:45

NOW,

b:c =9:14

then,

b/c =9/14

=> b/c =(9×5)/(14×5)

=> b/c = 45/70

=> b:c=9:14=45:70

then,

a:b:c = 63:45:70