Solve 1) A and B are friends and their ages differ by 2 years. A's father D is twice as old as A and B is twice as old as his sister C. The age of D and C differ by 40 years. Find the ages of A and B
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Solve 1) A and B are friends and their ages differ by 2 years. A's father D is twice as old as A and B is twice as old as his sister C. The age of D and C differ by 40 years. Find the ages of A and B
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Step-by-step explanation:
let the age of A be x
Then ,the age of B will be x+2
D's age is 2x
C's age is x+2/2
Therefore given,2x-40=x+2/2
Do cross multiplication
=2(2x-40)=x+2
4x-80=x+2