2100/1 or 4200/2, could be either
Divide your lifestyle amount by the percentage:
33,000 / 0.70 = $47,142.86 ( Round the answer as needed.)
Based on the calculations, the unknown number is equal to 
- Let the unknown number be x.
<h3>How to find an
unknown number:</h3>
Translate the word problem into an algebraic expression, we have;
Adding 21 to the unknown number:

Multiplying the result by 3:

84 more than two-thirds of the unknown number:

Equating the equations, we have:

Cross-multiplying, we have:

Read more on word problems here: brainly.com/question/13170908
Answer:
1
Step-by-step explanation: