Three fourth of a number is equal to 60% of another number.And the difference between the two numbers is 20.What is the sum of the two numbers
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3/4 of a = 60/100 of b
3/4 x a = 3/5 x b
a/4 = b/5
5a = 4b
Given a - b = 20
a = 20 + b
substituting
5(20 + b) = 4b
or b = 100
5a = 4b
5a = 4(100)
a =80
Given a + b = 80 + 100 = 180
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