Question
PSLE
Tiffany had two streamers of the same length. She cut the first streamer into equal parts of length 70 cm and to each part she tied 2 white flags. After that, she cut the second streamer into equal parts of length 80 cm and to each part she tied 5 green flags. When she finished tying, she counted that there were 57 more green flags than white flags. How many flags were there altogether?
5 m

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PSLE
Tiffany had two streamers of the same length. She cut the first streamer into equal parts of length 70 cm and to each part she tied 2 white flags. After that, she cut the second streamer into equal parts of length 80 cm and to each part she tied 5 green flags. When she finished tying, she counted that there were 57 more green flags than white flags. How many flags were there altogether?