Question
PSLE
Gabby had two strings of the same length. She cut the first string into equal parts of length 30 cm and to each part she tied 2 green stars. After that, she cut the second string into equal parts of length 50 cm and to each part she tied 5 purple stars. When she finished tying, she counted that there were 15 more purple stars than green stars. How many stars were there altogether?
5 m

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PSLE
Gabby had two strings of the same length. She cut the first string into equal parts of length 30 cm and to each part she tied 2 green stars. After that, she cut the second string into equal parts of length 50 cm and to each part she tied 5 purple stars. When she finished tying, she counted that there were 15 more purple stars than green stars. How many stars were there altogether?