PSLE Math Help for Julian : Fraction Ratio Percentage Question

9 Aug

Mrs Devi had a total of 286 blue and red pens.She sold 75% of the blue pens and bought another 59 red pens.After that,she has an equal number of blue and red pens.How many blue pens did she have at first?

This is a Primary 5 question.

This question is not difficult but if you were to use bar models, it might get a bit complicated.

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