Use Linear Equations to Solve Problems
Use the five-step strategy for solving word problems to find the number or numbers described in the following
exercise.
-When 30% of a number is added to the number, the result is 260. What is the number?
A)200
B)60
C)23
D)130

Question

Quizplus · Accepted Answer

Let the number be x. According to the problem, 30% of x added to x equals 260. This can be written as x + 0.30x = 260. Simplifying, we get 1.30x = 260. Solving for x, we find x = 260 / 1.30 = 200.