johannesephilip20010 johannesephilip20010 08-10-2022 Mathematics contestada Given that x: y = 10:9 and x - y = 122, find the value of x + y. Diberi x: y = 10:9 dan x - y = 122, cari nilai x + y. A = 19 B = 1220 C = 2318 D = 2319