Oat porridge is sold in two sizes of box.
Size of box Weight of porridge
small
large
6259
350g
Walter buys 5 large boxes of oat porridge and some small ones too.
In total, he buys 4175g of porridge.
Work out the number of small boxes of oat porridge Walter buys.
Note: Make your final answer clear by writing ... small boxes.
Total marks: 3
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