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25-11-2020
Mathematics

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An album is 20cm long and 14 cm wide. Sal uses some lace to make an edge around the cover of the album. She has 12 cm of lace left over afterwards. How long was her piece of lace?

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25-11-2020

Her piece of lace was 80 cm.

2(14)+2(20)+12
28+40+12
=80

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