-21
21% of 54 = 21% * 54 = 0.21 * 54 = 11.34
54 * 21 = 1,134
21 for sure
11 + 694 - 54 + 497 + 54 = 1202
It is: 126 plus 54 = 180
21 x 54 = 1134
18 + 18 + 18 = 54
15 + 14 + 14 + 11 + 2x + x = 75 Collect like terms 54 + 3x = 75 Subtract 54 3x = 21 Divide by 3 x = 7 ■
33+21=54
54 ÷ 6 + 36 + 9 = 54
54