Question
PSLE
Joelle had two streamers of the same length. She cut the first streamer into equal parts of length 40 cm and to each part she tied 2 white balls. After that, she cut the second streamer into equal parts of length 45 cm and to each part she tied 5 brown balls. When she finished tying, she counted that there were 66 more brown balls than white balls. How many balls were there altogether?
5 m

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PSLE
Joelle had two streamers of the same length. She cut the first streamer into equal parts of length 40 cm and to each part she tied 2 white balls. After that, she cut the second streamer into equal parts of length 45 cm and to each part she tied 5 brown balls. When she finished tying, she counted that there were 66 more brown balls than white balls. How many balls were there altogether?