Stacey is selling tickets for the school concert. tickets are $7 for adults and $3 for kids. she sold a total of $306 worth of tickets. she sold twice as many adult tickets as kids tickets. how many tickets did she sell total?

The total number of tickets sold by Stacey is 54

Given that Stacey is selling tickets for the school concert

Let "a" be the number of adults tickets sold

Let "k" be the number of kids ticket sold

Price of one adult ticket = $ 7

Price of one kid ticket = $ 3

Given that She sold a total of $ 306 worth of tickets

Price of one adult ticket x number of adults tickets sold + Price of one kid ticket x number of kids ticket sold = $ 306

7a + 3k = 306  --------- eqn 1

Given that She sold twice as many adult tickets as kids tickets

Number of adult tickets sold = 2 x number of kids ticket sold

a = 2k  -------- eqn 2

Substitute eqn 2 in eqn 1

7(2k) + 3k = 306

14k + 3k = 306

17k = 306

Substitute k = 18 in eqn 2

a = 2(18) = 36

Total number of tickets sold:

Total number of tickets sold = number of adults tickets sold + number of kids ticket sold

Total number of tickets sold = a + k = 36 + 18 = 54

Thus total number of tickets sold is 54

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