Question

When a number is decreased by 10% of itself, the result is 54. What is the number?

a) Write an equation to modèl the problem. Use x to represent the number.
Answer:
b) Solve the equation to find the number:
Answer:

Answer 1

60

Explanation:

Let x = the number

x - 10%x = 54

x - 0.1x = 54

0.9x = 54

x = 54 / 0.9 = 60