what plus what equals 55
11 + 44 = 5550 + 5 = 5551 + 4 = 55
1 + 54 = 552 + 53 = 553 + 52 = 55 4 + 51 = 555 + 50 = 556 + 49 = 557 + 48 = 558 + 47 = 559 + 46 = 5510 + 45 = 55and so on...I hope that helps. :)