Question
PSLE
Xandra had two ribbons of the same length. She cut the first ribbon into equal parts of length 70 cm and to each part she tied 2 black flags. After that, she cut the second ribbon into equal parts of length 90 cm and to each part she tied 3 purple flags. When she finished tying, she counted that there were 9 more purple flags than black flags. How many flags were there altogether?
5 m

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PSLE
Xandra had two ribbons of the same length. She cut the first ribbon into equal parts of length 70 cm and to each part she tied 2 black flags. After that, she cut the second ribbon into equal parts of length 90 cm and to each part she tied 3 purple flags. When she finished tying, she counted that there were 9 more purple flags than black flags. How many flags were there altogether?