Question

Betsie is going to buy 250 envelopes. Here is some information about the cost of envelopes in two shops. Letters2go Pack of 25 envelopes for £3.19 Value World Pack of 10 envelopes for £1.99 Buy 2 packs get 1 pack free Betsie wants to buy the envelopes for the best possible price. Which shop should Betsie buy the 250 envelopes from? You must show how you get your answer. ​

Answer 1

Letters2go

Explanation:

You want to know whether Betsie should get 250 envelopes from Letters2go at £3.19 for a pack of 25, or from Value World where she can buy two packs of 10 for £1.99 each and get one pack free.

Letters2go

To get 250 envelopes from Letters2Go, Betsie must buy 10 packs of 25. That will cost her ...

10 × £3.19 = £31.90

Value World

To get 250 envelopes from Value World, Betsie must buy 25 packs of 10. For each 2 packs she buys, she gets one free, so she will not have to pay for 25/3 ≈ 8 packs of envelopes. Her cost will be ...

(25 -8) × £1.99 = £33.83

For the best price, Betsie should buy from Letters2go.

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