Question

Kate is x years old
Lethna is 3 times as old as Kate.
Mike is 4 years older than Lethna.
Write down an expression, in terms of .x, for Mike's age.

Answer 1

Expression for Mike's age is $3x+4$.

Step-by-step explanation:

Kate is x years old

Kate = x years old

Lethna = 3 times of Kate = $3x$

Expression for Mike's age will be =

Mike's age = 4 years older than Lethna

 ⇒ Lethna's age + 4

⇒ $3x +4$

Expression for Mike's age is $3x+4$ .