Beres7
13.05.2021 •
Mathematics
At the Hill Valley Aquarium, visitors can upgrade their ticket to include a live dolphin show or a movie about whales. Last month, the aquarium's manager recorded the number of visitors who attended the events each day. These box plots show the results.
Visitors at aquarium events
Dolphins
Whales
50
60
70
80
90
100
Which event had a higher median number of visitors?
Solved
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Ответ:
Option C -
Step-by-step explanation:
Given : The Jones family plans a trip to the amusement park a purchase a family package for $128.00. They also want to buy lunch and souvenir cups. The chicken platter costs $8.50 each and the burger platter costs $9.50 each. The souvenir cups each cost $10.00
To find : Which of the following algebraic expressions can be used to describe the amount of money the Jones family will spend, before sales tax, based on the number of each meal and souvenir cups purchased?
Solution :
Let x represent the number of chicken platters.
Let y represents the number of burger platters.
Let z represent the number of souvenir cups.
A family package cost is $128.00.
The chicken platter costs $8.50 each
The cost of x chicken platter =
The burger platter costs $9.50 each.
The cost of y burger platter =
The souvenir cups each cost $10.00
The cost of z souvenir cups =
Therefore, Total they spend is
Hence, Option C is correct.