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Solving word problems using model method (Singapore Math) and algebra. We also see how to form equations for word problems in the algebra method.
Question solved in this video:
At a party there was an equal number of boys and girls at first. Halfway during the party, 12 boys left the party, and 8 girls joined the party. In the end, there were thrice as many girls as boys. How many boys were there at the party at first?
Негізгі бет Singapore Math - Using models to solve word problems - whole numbers
Пікірлер: 16