Printable worksheet ยท 2 of 4
A correct calculation can answer the wrong model - Paper 2
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Fictional cost model: one fixed fee 7 units plus 3 units per whole item, C=7+3n, n a non-negative integer. Compare orders of 6 and 12 items. A recorded order of 6 items cost 27 units. Check arithmetic before deciding whether the model fits.
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