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Mathematics, 30.01.2022 16:20 kimberly185

7 pencils and 2 rulers weigh 93 grams. 5 pencils and 6 rulers weigh 135 grams. How much does: a) a pencil weigh
b) a ruler weigh

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7 pencils and 2 rulers weigh 93 grams. 5 pencils and 6 rulers weigh 135 grams. How much does: a) a...

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