Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam buys another 10 blue stickers and 20 red stickers,
the ratio becomes of the number of blue stickers to red stickers is 7 : 6.
How many stickers does Adam have now?
Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam gives away 10 blue stickers and gives away 20 red stickers,
the ratio becomes of the number of blue stickers to red stickers is 9 : 2.
How many stickers does Adam have now?
Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam buys another 20 red stickers and gives away 10 blue stickers,
the ratio becomes of the number of blue stickers to red stickers is 3 : 2.
How many stickers does Adam have now?
Level 3 PSLE
At first, Leah had a total of 66 blue and purple balloons. 17 purple balloons burst. She then increased the number of blue balloons by 75%. After that, Leah had a total of 79 balloons. How many purple balloons did she have at first?