Three in a ratio

If A is 40% more than B, B is 20% less than C then, find the ratio A : C.

Correct answer:

r =  28:25

Step-by-step explanation:

r1=100%+40%=1+10040=1.4 r2=100%20%=110020=0.8  A = B r1 B = C r2  r = A:C = A/C  r = B r1 : B/r2 = r1   r2  r=r1 r2=1.4 0.8=1.12=28:25



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