College Math Placement Exam (Latest 2023/ 2024 Update) Questions and Verified Answers with Steps | 100% Correct| Grade A

College Math Placement Exam (Latest 2023/ 2024 Update) Questions and Verified Answers with Steps | 100% Correct| Grade A Q: 1/5 + 1/5 + 2/5 = A. 4/15 B. 3/5 C. 1/5 D. 2/5 E. None of these Answer: The three fractions have a common denominator of 5. Just add the numerators. 1/5 + 1/5 + 2/5 = 1 + 1 + 2/5 = 4/5 This is not one of the answer choices: None of these Q: 5 1/2 + 3 9/10 = A. 8 1/5 B. 9 2/5 C. 8 2/5 D. 9 1/5 E. None of these Answer: Write each mixed number as an improper fraction. Then, get a common denominator (which is 10). 11/2 + 39/10 = 55/10 + 39/10 = 55 + 39/10 = 9 4/10 = 9 2/5 Q: $14.50 − $8.00 = A. $7.50 B. $6.50 C. $0.65 D. $4.65 E. None of these Answer: Write the subtraction vertically. In the ones column, 8 can't be subtracted from 4, so we borrow a 10 from the tens column. Answer is $6.50 Q: 22.9 + 0.5 = A. 2.34 B. 22.4 C. 23.4 D. 24.3 E. None of these Answer: Line up the decimals at the decimal point. In the tenths column, 9 + 5 = 14, so we write the 4 and carry the 1 to the ones column. Answer is 23.4 Q: Multiply without using a calculator. A. 3.645 B. 7.209 C. 0.737 D. 0.729 Answer: To multiply decimals, multiply as you would if they were whole numbers. After multiplying, move the decimal 3 places to the left: The answer is: 0.729 Q: This table is used to calculate annual commissions and salaries for car salespeople. What would the total yearly earnings of a sales assistant be who has $90,000 in sales?