Question

Write an expression for the missing value in

the table.

Tom’s Age Kim’s Age

10 13
11 14
12 15
a ?

A a + 1 C a + 3

B a + 15 D a + 10

Answer 1

C. a + 3

10 + 3 = 13
11 + 3 = 14
12 + 3 = 15
a + 3 = ?

Answer 2

C) a+3

Explanation:

We are given the following data:

Tom's Age: 10 11 12 a

Kim's Age: 13 14 15

We have to evaluate Kim's age when Tom's age is a.

We have to build a relationship between Tim's age and Kim's age. If we look at their ages carefully we can see a pattern and their relation can be described as:

`\text{Kim's age = Tim's age + 3}`

Thus, when Tim's age is a, we can compute Kim's age as:

`\text{Kim's age = a + 3}`