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alexgriva [62]
3 years ago
5

A class trip cost a total of $414, including a museum ticket and lunch for each student. Three students were sick on the day of

the trip and did not attend, so the total cost dropped to $360. How many students went on the trip?
I WILL GIVE BRAINLIEST FOR EXPLAINATION!!!!!!!!
Mathematics
2 answers:
e-lub [12.9K]3 years ago
8 0

Answer:

20

Step-by-step explanation:

we know that 414-360 = 54 and we divide it by 3, 54/3 = 18. So we know that every student paid 18 dollars. 360/18 = 20

Murrr4er [49]3 years ago
3 0
  • Let total students be x
  • Students didn't came to lunch be y

ATQ

  • x+y=414---(1)
  • x-y=360--(2)

Substracting both

\\ \sf\longmapsto 2y=54

\\ \sf\longmapsto y=27

  • 3 students paid 27

each paid

\\ \sf\longmapsto \dfrac{27}{3}=9

Now

Total students went on trip

\\ \sf\longmapsto \dfrac{360}{9}

\\ \sf\longmapsto 40

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