Question

If a represents Arkin's present age, how would you express
each of the following in terms of variable a?

1. Arkin's age 5 years ago

2. Thrice Arkin's age

3. His age after 4 years

4. Two-thirds his present age

5.​Twice his age after 3 years​

Answer 1

1. Arkin's age 5 years ago ⇒ a-5

2. Thrice Arkin's age ⇒ 3a

3. His age after 4 years ⇒ a+4

4. Two-thirds his present age ⇒

\frac{2a}{3}

5. Twice his age after 3 years ⇒ a+3

hope this helps...