Let the Student Vector $\vec{P}=(121,129,119,119)$ Be the Number of Ninth, Tenth, Eleventh, and Twelfth Graders

Short Answer

Let the student vector $\vec{P}=(121,129,119,119)$ be the number of ninth, tenth, eleventh, and twelfth graders in a high school. If the number of students in each grade increases by $5 \%$ , what is the new student vector $\vec{R}$ ? Round to the nearest whole number.