Question
PSLE
Penelope had two ribbons of the same length. She cut the first ribbon into equal parts of length 30 cm and to each part she tied 3 green stars. After that, she cut the second ribbon into equal parts of length 35 cm and to each part she tied 4 black stars. When she finished tying, she counted that there were 12 more black stars than green stars. How many stars were there altogether?
5 m

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PSLE
Penelope had two ribbons of the same length. She cut the first ribbon into equal parts of length 30 cm and to each part she tied 3 green stars. After that, she cut the second ribbon into equal parts of length 35 cm and to each part she tied 4 black stars. When she finished tying, she counted that there were 12 more black stars than green stars. How many stars were there altogether?