Question

20 of (a+b)=50 (a-b).Find the ratio of a and b

Answer 1

Step-by-step explanation:

20% of (a+b)=50% of b

= 20/100×(a+b)=50/100×b

= 1/5×(a+b)=1/2×b

= 2×(a+b)=5×b

= 2a+2b=5b

= 2a=5b-2b

= 2a=3b

2/3=B/a

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