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qaws [65]
2 years ago
9

tickets to a carnival are $5 for adults and $3 for children. if 215 people attend and the receipts were $925 , how many tickets

were bought for children
Mathematics
1 answer:
Alik [6]2 years ago
4 0

Answer:75 children

Step-by-step explanation: Let the number of children will be x, so the number of adults will be 215-x

Making equation: 3x+5(215-x)=925

3x+1075-5x=925

-2x=925-1075

-2x=-150

x=75

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morpeh [17]
Sorry I can't help these answers don't make any sense
8 0
3 years ago
Kara and Sonny went to see a movie at the local theater.
CaHeK987 [17]

Answer:

popcorn=4$

soft drink=4.5$

Step-by-step explanation:

  • if we used omitting method:

1-we multiply (p+s=8.5) by (-2) so we could get rid of (s) and be leftover with (p)

so: (-2p-2s= -17)

2- we subtract this equation from (p+2s=13) and the result will be (-p= -4)

3- divide them by (-1) and the result is (p=4)

4-(p+s=8.5) ,substitute (p) with (4) and make it go to the other side with negative sign and the result of (s) is (8.5-4=4.5)

  • if we used substituting method:

1-(p+s=8.50), we will make (s) go to the other side with negative sign so the result is (p=8.50-s)

2-(p+2s=13.00), substitute (p) with (8.50-s):

(8.50-s+2s=13)

3- make (8.50) go to the other side with negative sign:

(s=13-8.50=4.5) and then you could get (p)

8 0
3 years ago
Five times sum of a number, x,and nine is ten. What is the number?
muminat

Answer:

-7

Step-by-step explanation:

5(x+9) = 10

5x+45=10

5x = -35

x=-7

Hope this helps.

5 0
3 years ago
Read 2 more answers
1. - x + 5y =-23 4x - y = 16​
Contact [7]
6y=5x=39
Have a good day
8 0
3 years ago
Read 2 more answers
Find the simple interest for $2,800 at 4% for 4 yrs
SVEN [57.7K]
It would be 2800*0.04*4. Your final answer will be $448
6 0
3 years ago
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