# If 45 is added to half a number, the result is triple the number. Find the number

**Solution:**

Let the number be x

A/Q

x/2 + 45 = 3x

3x - x/2 = 45

5x/2 = 45

x = 45.(2/5)

x = 18

Thus, the required number is 18.

**✦ Try This:** If 10 is added to half a number, the result is triple the number. Find the number.

Let the number be x

A/Q

x/2 + 10 = 3x

3x - x/2 = 10

5x/2 = 10

5x = 10(2)

x = 20/5

x = 4

Thus, the required number is 4.

**☛ Also Check: **NCERT Solutions for Class 7 Maths Chapter 4

**NCERT Exemplar Class 7 Maths Chapter 4 Problem 80**

## If 45 is added to half a number, the result is triple the number. Find the number

**Summary:**

If 45 is added to half a number, the result is triple the numbers, the required number is 18

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