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Eva8 [605]
3 years ago
7

An amusement park sells adult tickets and children’s tickets, with adults tickets costing $5 and children’s tickets costing $3.

If Ed bought 15 tickets and spent a total of $57, how many children’s tickets did he buy? 3 5 6 9
Mathematics
2 answers:
Katarina [22]3 years ago
7 0

Answer:

Nine

Step-by-step explanation:

3 dollars for children tickets : x

5 dollars for adult tickets: y

Equation is:

3x+5y=57

Where 57 is the total amount spent

x+y=15  

where 15 is the total number of tickets bought

3x+5y=57

5(x+y)=5(15)

___________________

3x+5y=57

5x+5y=75

minus the equations top to bottom=

-2x= -18

x= -18/(-2)

x=9

He bought a total of 9 children tickets

Black_prince [1.1K]3 years ago
6 0

Answer:

the answer is 9 or D

Step-by-step explanat ion:

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