Question
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
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
Answers
Steve
1C 40 people will or might attend
2A 285/3.75 = 76 jumps/min
2A 285/3.75 = 76 jumps/min
Zack
Thank you
but it would have been better if you told me how to answer it not the answers
but it would have been better if you told me how to answer it not the answers