Printable worksheet ยท 4 of 4
A correct calculation can answer the wrong model - Paper 4
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 2 units plus 6 units per whole item, C=2+6n, n a non-negative integer. Compare orders of 4 and 8 items. A recorded order of 4 items cost 28 units. Check arithmetic before deciding whether the model fits.
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