Another question for math lover. Bar model please If 6 boys fill 6 notebooks in 6 weeks and 4 girls fill 4 notebooks in 4 weeks, how many notebooks will a class of 12 boys and 12 girls fill in 12 weeks?
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Hi Yueh Mei, for this question, I solved it by simultaneous eqns. How do primary schools teach the solution using models? Thank you!
I think bar model can be applied to this problem. Please try. In one class room, there are 50 students in total. Teacher gives oranges to all students by giving 2 oranges to one girl and 1 orange to one boy. At the final, total oranges in girls' hands are 7 more than oranges in boys' hand. How many boys in class?