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alukav5142 [94]
2 years ago
13

Anne wants to take her friends to a roller rink. The employee she spoke to ahead of time said the total cost for all 9 people in

the group would be $81. This includes an entrance ticket and a $3 skate rental fee for each person.
If t represents the entrance ticket, explain what does this equation mean?
9(t + 3) = 81

How much is the entrance ticket?
Mathematics
2 answers:
Hoochie [10]2 years ago
7 0

Answer:

I think the answers should be 6

topjm [15]2 years ago
4 0

Answer:

the equation means the total cost of a ticket t and $3 skate rental for nine people is 81 dollars

entrance ticket costs $6

Step-by-step explanation:

solve the equation for t to get the ticket cost

9(t+3)=81

divide by 9 so t+3=9

minus 3 so t=6

that means the ticket costs 6 dollars

Hope this helps! :)

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alex41 [277]
Procedure:

1) calculate the number of diferent teams of four members that can be formed (with the ten persons)
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Solution

1) the number of teams of four members that can be formed are:

10*9*8*7 / (4*3*2*1) = 210

2) Number of different teams with 2 boys and 2 girls = ways of chosing 2 boys * ways of chosing 2 girls

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Ways of chosing 2 girls = 4*3/2 = 6

Number of different teams with 2 boys and 2 girls = 15 * 6 = 90

3) probability of choosing one of the 90 teams formed by 2 boys and 2 girls:

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