If A:B = 2:3, B:C = 4:5 and C:D = 5:9 then A:D is equal to:
A.0.470138888888889
B.0.352083333333333
C.5:9
D.2:9
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Since ratios can be also expressed as fractions, this problem becomes easier expressed that way.
A:B becomes A/B etc.
A/D = A/B × B/C × C/D
= 2/3 × 4/5 × 6/7
= 48/105
So A:B = 48:105
A:B becomes A/B etc.
A/D = A/B × B/C × C/D
= 2/3 × 4/5 × 6/7
= 48/105
So A:B = 48:105
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