AIMESuperchallenge ShareAIME · Superchallenge problemHow many ordered quadruples (a,b,c,d)(a, b, c, d)(a,b,c,d) of integers satisfy 0≤a,b,c,d≤60 \le a, b, c, d \le 60≤a,b,c,d≤6 and a+b+c+d=18a + b + c + d = 18a+b+c+d=18?Check Show answer Walk through it step by step Practice more like this