# Math

posted by .

1 Catriona is deciding how large of a cake to order for a party. She can choose from a 1-layer cake that serves
10 people, a 2-layer cake that serves 20 people, a 3-layer cake that serves 40 people, or a 4-layer cake that
serves 65 people. The cost of the cake increases with its size. Catriona has invited 80 friends to her party.
Of the 80 friends invited, 40% have responded that they will attend, 10% have responded that they might
attend, and 50% have responded that they cannot attend. Catriona wants to buy the least expensive cake that
will serve all of her guests at the party. Which cake should Catriona order?
A the 1-layer cake
B the 2-layer cake
C the 3-layer cake
D the 4-layer cake
2 Shawn is jumping rope for a gym class competition. The winner of the competition will be selected as the
captain of the class soccer team. Shawn thinks he can jump rope for 9 minutes. To win the contest, he
only needs to jump rope for 8 minutes. However, less than half-way into the competition, Shawn trips on
the rope and stops jumping. If Shawn jumped 285 times in 3 minute and 45 seconds, what was Shawn’s
jumping rate?
A 76 jumps per minute
B 35.6 jumps per minute
C 31.7 jumps per minute
D 95 jumps per minute

• Math -

1C 40 people will or might attend
2A 285/3.75 = 76 jumps/min

• Math -

Thank you
but it would have been better if you told me how to answer it not the answers

## Similar Questions

1. ### Math

A large birthday cake was baked to celebrate the 6th birthday of Mimi. It was a round cake, made of two layers of vanilla cake; each layer was 18 inches in diameter and 3.5 inches tall. Between the two layers was a quarter inch of …

You need 1/2 cup of sugar to make a three-layer cake. How much sugar would you need for a one-layer cake?

You need 1/2 cup of sugar to make a three-layer cake. How much sugar would you need for a one-layer cake
4. ### geometry 2

Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is …
5. ### geometry

Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is …
6. ### math

You need 1/2 cup of sugar to make a three layer cake. How much sugar would you need for one-layer cake?
7. ### geometry

Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is …
8. ### Math

You need 1/2 cup of sugar to make a three layer cake.how much sugar would you need for one layer cake?
9. ### algebra 1

frosting a layer cake involves frosting the top, a middle layer and the outside. A typical cake has a 9 inch diameter and is 4 inches high. Calculate the surface area of the cake that is frosted
10. ### Maths

A cylindrical birthday cake of radius 23cm and height 12cm is to be shared equally among 18 people at a party,the piece of cake was shaped as AOB to give 20 degrees,hence prove that.Also calculate the area of cylindrical cake.

More Similar Questions