Question
A packet of marbles weighs 78 kg.
A packet of stickers weighs 13 kg less than the packet of marbles.
Find the total mass of the packet of marbles and the packet of stickers.
2 m

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A packet of marbles weighs 78 kg.
A packet of stickers weighs 13 kg less than the packet of marbles.
Find the total mass of the packet of marbles and the packet of stickers.