Amount of Sales Needed to Receive a Specified Monthly Income Date of Exam May 2016 Subject Mathematics, Surveying and Transportation Engineering Problem A salesperson earns P60,000 per month plus a commission of 20% of sales. Find the minimum amount of sales needed to receive a total income of at least P150,000 per month. A. P150,000 C. P450,000 B. P350,000 D. P250,000 Answer Key Click here to show or hide the answer key [ C ] Solution Click here to expand or collapse this section $60\,000 + 0.20x = 150\,000$ $x = \text{P}450\,000$ ← Answer: [ C ] Category Algebra Percentage Log in or register to post comments