Mathematics, 17.03.2021 23:50, dejahg4530

Luke wants to send 21 parcels by the Express service. He does the calculation 20 x £15 = £300 to estimate the cost.
(b)
Explain why Luke's calculation shows the actual cost will be more than £300

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Luke wants to send 21 parcels by the Express service. He does the calculation 20 x £15 = £300 to es...