Question

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Q 10. Rahul is n years old.
a. Find the sum of his ages 5 years ago and 8 years hence ( later).
b. Find the difference between his age 4 years later and his age 10 years ago.​

Answer 1

Step-by-step explanation:

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Answer 2

a} Rahul's age 5 years ago = n-5

Rahul's age 8 years later=n+8

Sum = (n-5)+(n-8)

= n-5+n-8

= 2n-13

b} Rahul's age 4 years later= n+4

Rahul's age 10 years ago=n-10

Difference = (n+4)-(n-10)

= n+4-n+10

= 14

FINAL ANSWER= A] 2N-13

B] 14