Age of a is 20 years less than that of b. If age of a is 40% of their combined age, what are the ages of a and b?
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Answer:
40 & 60 Years
Step-by-step explanation:
Age of a = a
Age of b = a+20
Combined age = a + a+20 = 2a + 20
A = 40% of combined age
a = (40/100)(2a + 20)
a = 0.8a + 8
0.2a = 8
a = 8/0.2
a = 40
b = 40 + 20 = 60
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