A classic math problem. A number of people in a group. Each person shakes the hand of the other people in the group. They do not shake their own hand and the handshake between two people is only counted once. The Calculator will ask you how many people in the group and then tell you how many shakes it will take.
Ontario Math 2020 Algebra OVERALL EXPECTATION C2 demonstrate an understanding of variables, expressions, equalities, & inequalities, & apply this understanding in various contexts & C3 solve problems & create computational representations of mathematical situations using coding concepts & skills
