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Kirsty is going to make a birthday cake for the party. It takes 25 minutes to prepare the cake mixture and 70 minutes to bake in the oven. The cake needs 1.5 hours to cool before decorating. Kirsty then needs three quarters of an hour to decorate the cake. She wants to finish decorating the cake at least 2 hours before the party starts. The party starts at 2.30 pm. What time should Kirsty start making the cake? Show why you think this.

Kirsty is going to make a birthday cake for the party. It takes 25 minutes to prepare the cake mixture and 70 minutes to bake in the oven. The cake needs 1.5 hours to cool before decorating. Kirsty then needs three quarters of an hour to decorate the cake. She wants to finish decorating the cake at least 2 hours before the party starts. The party starts at 2.30 pm. What time should Kirsty start making the cake? Show why you think this.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Kirsty is going to make a birthday cake for the party. It takes 25 minutes to prepare the cake mixture and 70 minutes to bake in the oven. The cake needs 1.5 hours to cool before decorating. Kirsty then needs three quarters of an hour to decorate the cake. She wants to finish decorating the cake at least 2 hours before the party starts. The party starts at 2.30 pm. What time should Kirsty start making the cake? Show why you think this.
Transcribed Image Text:Kirsty is going to make a birthday cake for the party. It takes 25 minutes to prepare the cake mixture and 70 minutes to bake in the oven. The cake needs 1.5 hours to cool before decorating. Kirsty then needs three quarters of an hour to decorate the cake. She wants to finish decorating the cake at least 2 hours before the party starts. The party starts at 2.30 pm. What time should Kirsty start making the cake? Show why you think this.
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