There are 280 students in the elementary school and 30% of them ate a sandwich for lunch. How many students ate a sandwich for lunch? A. 74B. 84C. 112D. 250

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14