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luluhawkins
22.01.2020 •
Mathematics
Bernie counted the cars and motorcycles that passed his house in 45 minutes. he counted 26 vehicles and 88 tires. how many motorcycles passed his house
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Ответ:
total = 26 = cars + motorcycles
so 4*(26-motorcycles) + 2*motorcycles = 88 => motorcycles=8
so cars = 26-8 = 18
Ответ:
Part A: Total cost = 10 + 4s
Part B: Solving for s = 2
10 + 4 * 2 = US$ 18
Correct statement and question:
Write an expression to represent admission to a zoo of $10.00 and the cost of special exhibits s at $4 each. Evaluate your expression when s = 2.
Source: https://www.slader.com/discussion/question/write-an-expression-to-represent-admission-to-a/
Step-by-step explanation:
1. Let's review the information provided to us to answer the question correctly:
Admission to the zoo = US$ 10
Special exhibit cost (s) = US$ 4
2. Evaluate your expression when s = 2
Total cost = Cost of admission + (s) * Special exhibit cost
Total cost = 10 + (s) * 4
Total cost = 10 + 4s
3. Solving for s = 2
10 + 4s
10 + 4 * 2 = US$ 18