Word Problems with Answers by McMullen Chris

Author:McMullen, Chris [McMullen, Chris]
Language: eng
Format: epub
Publisher: Zishka Publishing
Published: 2020-11-28T16:00:00+00:00

88. Final answer: 35 is the total number of handshakes.

Solution: Each girl shakes hands with all five boys: 7 × 5 = 35. This already accounts for all of the handshakes between all 7 girls and 5 boys. This is the final answer.

Note: This solution can be visualized as a complete bipartite graph that has one set of 7 vertices and one set of 5 vertices, where every vertex of the first set connects to every vertex of the second set, but no two vertices from the same set connect to one another, as shown below.

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