543 + 688 = 1,231
360 degrees. The sum of the measures of the exterior angles of any polygon is 360°.
The numbers are 78 and 79.
67, 157
688 if the commas are separations
153, 155, and 157
22% of 688= 22% * 688= 0.22 * 688= 151.36
143, 157
1 + 3 + 5 + 15 + 157 + 471 + 785 + 2355 = 3,792
688
688/1
151.36 is 22 percent of 688. 688-151.36=536.64