Algebra( Week 21 Practice) 1. If 20x is deducted by 16y, and the difference is then multiplied by , which of the following is the result? 2. Which of the following is the correct representation of phrase "10 more than 13 times x"? 3. 7 years ago, Jane was 2 years older than Edward is now. If Edward's present age is X, what will be Jane's age 8 years from now? 4. Edward is 4 years younger than John. George is half as old as John is now. If George will be 11 years old 3 years from now, how old is Edward now? 5. Jay is 4 times as old as Niconia is now. 8 years from now, he will be 3 times as old as Niconia then. How old is Niconia now? |