Lisa is 10 yaers older than Joey. If the sum of their age is 40 , what is the age of Joey? Choose the correct choice from the following answers
A) 15 years
B) 25 years
C) 10 years
D) 20 yaers
E) 5 years
Let Joey's age be x.   x + x + 10 = 40   x = 15   Hence Joey's age is 15 years   15 yearsnswer : 15 years
<result>A</result>
Lisa is 10 yaers older than Joey. If the sum of their age is 40 , what is the age of Joey?