Question

if 20% of (a+b) = 50% of (a-b) thena:b is equal to​

Answer 1

Step-by-step explanation:

1/5 {a+b } = 1/2 {a-b}

2a + 2b= 5a -5b

7b = 3a

a : b

7 : 3

Answer 2

Answer:

20/100×(a+b) =50/100×(a-b)

1/5×(a+b)=1/2×(a-b)

1/5×2/1=(a-b)/(a+b)

5/2=(a-b)/(a+b)

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