Question

The sum of a number and 3 times the same number is 100. What is the number?

Equation:

Solution:

Answer 1

Let the number be x.

According to your question,

x + 3x = 100 ( Equation)

thus, 4x = 100

Thus, x = 100/4 = 25

Thus, the number is 25 (Solution)

Answer 2

X + (3 × X) = 100

25 + (3 × 25) = 100