Teaching article

Which pretend offer costs less per identical token?

Establish comparable quantities before deciding which option offers more for the stated price.

Two packages can have different prices and different quantities. Establish a shared unit before comparing the invented offers, and keep the conclusion limited to the identical tokens described in the scenario.

Four tokens for $4 and two for $3 can be compared by cost per identical token in this invented shop.

Make the quantities comparable first

Use identical products and a shared unit for this limited comparison. Real purchasing decisions may involve quality, suitability and other constraints.

Read each offer's quantity. Find a common comparison basis. Explain a limited conclusion.

What assumption makes this comparison fair? Use small whole-number offers first.

Real purchases can involve other relevant differences.

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