Joan earned 60% of the possible points on his 1st math test. his teacher offered him to take another test for extra credit, on the extra credit test joan earned 80% of the possible points. each test had the same number of points if joan scored 30 points on the 1st math test. how many did he score on the 2nd?

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 3x^2 -2x =0 2) 2x^2 =3x 3) 2 * 2 = 2 * 2 4) 6 +2x = 2(4x)