PSLE Maths TOTW ~ Ratio: All Items Changed


In this lesson, we'll look at a ratio question in which all the variables are changed by the end of the question.

We'll not only teach you how to solve them; we'll also teach you to solve them using 3 different methods!

Question

The ratio of the number of stickers Jane had to the number of stickers Kelly had was 5 : 2. After Jane gave away 45 stickers and Kelly bought another 10 stickers, the number of stickers Jane had became 3/4 of the number of stickers Kelly had. What was the total number of stickers Jane and Kelly had at first?

Solution


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