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3. Noah is helping to collect the entry fees at his school's sports game. Student entry
costs $2.75 each and adult entry costs $5.25 each. At the end of the game, Diego
collected $281.25.
Select all equations that could represent the relationship between the number of
students, s, the number of adults, a, and the dollar amount received at the game.
A. 281.25 – 5.25a = 2.75s
B. a = 53.57 - 13:25
C. 281.25 -5.25s = a
D. 281.25 +2.75a = s
E. 281.25 +5.25s = a

Respuesta :

cemk12flag

281.25-5.25a=2.75

step by step:

so you divide the total amount by two and you get 140.62

then you divide that by 5.25 and you get 26.78

plug that into a and you get 140.62

then you take the remainder which is 140.62 and you divide that by 2.75

which is 51.13 and that will be your number for s

and at the end you should get the remainder of 140.62

then you multiply 140.62 by 2 and you get were you started and thats how you check your answer

adioabiola

Select all equations that could represent the relationship between the number of

number ofstudents, s, the number of adults, a, and the dollar amount received at the game.

The equations that could represent the relationship between the number of students, s, the number of adults, a, and the dollar amount received at the game is 281.25 – 5.25a = 2.75s

let

student fee = $2.75

Adult fee = $5.25

Total income = $281.25

Number of students = s

Number of adults = a

The equation:

Total income = (student fee × Number of students) + (Adult fee × Number of adults)

  • 281.25 = (2.75 × s) + (5.25 × a)

  • 281.25 = 2.75s + 5.25a

  • 281.25 - 5.25a = 2.75s

A. 281.25 – 5.25a = 2.75s

True

B. a = 53.57 - 13:25

Not true

C. 281.25 -5.25s = a

Not true

D. 281.25 +2.75a = s

Not true

E. 281.25 +5.25s = a

Not true

Therefore, the equations that could represent the relationship between the number of students, s, the number of adults, a, and the dollar amount received at the game is 281.25 – 5.25a = 2.75s

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