Question
PSLE
Jean had two strings of the same length. She cut the first string into equal parts of length 20 cm and to each part she tied 3 pink flags. After that, she cut the second string into equal parts of length 25 cm and to each part she tied 5 purple flags. When she finished tying, she counted that there were 15 more purple flags than pink flags. How many flags were there altogether?
5 m

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PSLE
Jean had two strings of the same length. She cut the first string into equal parts of length 20 cm and to each part she tied 3 pink flags. After that, she cut the second string into equal parts of length 25 cm and to each part she tied 5 purple flags. When she finished tying, she counted that there were 15 more purple flags than pink flags. How many flags were there altogether?