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bob is having a party and wants to order cakes. There will be 57 guests and he wants everyone to get a slice of cake. he wants to pay as little as possible.

How much will he have to pay for the cakes?

1st cake is:

20cm cake.

Serves.
12 people
Cost
£13.50

2nd cake

25cm cake

Serves.
20 people
Cost
£18.75.

Please can somebody help me work this out.

Respuesta :

the answer is that he needs to buy 3 of cake number 2. First you need to divide the number of people by the number of servings per cake. then round up. lastly you multiply the number of cakes you need by the price of one cake. 

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