Counting & ProbabilityChallengeIdentities and Techniques, Proved ShareIdentities and Techniques, Proved · Challenge problemHow many ordered 5-tuples of integers (x1,…,x5)(x_1,\ldots,x_5)(x1,…,x5) with 0≤xi≤70\le x_i\le 70≤xi≤7 satisfy x1+x2+x3+x4+x5=20x_1+x_2+x_3+x_4+x_5=20x1+x2+x3+x4+x5=20?Check Show answer Walk through it step by step Practice more like this Review this concept