Someone and explain the steps to me.

What it’s actually asking you to do is to divide 320 by 8, and then multiply that by 3. what you would be doing by divided 320 by 8 is finding out how many students are 1/8 of the total. then multiplying that by 3 will get you 3/8 of the total amount, or the amount of students that are left handed

Answer d; a supplementary angle = 180°, so if that angle = 150°, y would = 30°.