Bob is having a party and want to order some cake. there will be 57 guest and he wants to make sure that everyone gets a slice of cake. he wants to pay as little as possible for the cakes and for them to be the same size. First cake 20cm, serve 12 people and cost £13.50, second cake 25cm, serve 20 people and cost £18.75

Question

Isla Matthews

Mathematics

31 March, 23:38

Bob is having a party and want to order some cake. there will be 57 guest and he wants to make sure that everyone gets a slice of cake. he wants to pay as little as possible for the cakes and for them to be the same size. First cake 20cm, serve 12 people and cost £13.50, second cake 25cm, serve 20 people and cost £18.75

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Aylin Case · Answer 1

Bob should by the 25cm cake for 18.75 each. He will need to buy 3 of these cakes in order to feed 57 guests. The total cost would be 56.25. If he were to buy the 20cm cake, he would need to purchase 5 cakes for a total of 67.50.