PSLE
Mrs Zhang wanted to divide 15 boys and 10 girls equally into as many teams as possible. Each team had the same number of children. The number of girls in each team was the same. How many girls were there in each team?
Factors of 15: 1, 3, 5, 15
Factors of 10: 1, 2, 5, 10
Maximum number of teams
= Highest common factor of 15 and 10
= 5
Number of boys in each team
= 15 ÷ 5
= 3
Answer(s): 3