D. A number added to three is six. 42. Rose is 3 times older than Sarah. In 15 years, the sum of their ages is 36 years. Find the present age of Rose A. 10 B. 9 C. 36 D. 27 43. A and B have an average rate of walking of 3m/s and 2m/s, respectively. If they leave the same point to opposite directions, about how many seconds have elapsed if they are 250m apart? A. 50 seconds B. 60 seconds C. 70 seconds D. 80 seconds 44. Kevin wants to buy some pencils at a price of P4.50 each. He does not want to spend more than P55.00. What is the greatest number of pencils can Kevin buy? A. 12 pencils B. 13 pencils C. 14 pencils D. 15 pencils 45. Which is NOT TRUE about 4x + 7? A. The polynomial according to degree is linear. B. The polynomial according to the number of terms is monomial. C. The degree of the polynomial is one. D. The leading coefficient is 4.
