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scoundrel [369]
2 years ago
13

A total of 243 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t

ickets sold was two
times the number of adult tickets sold. How many adult tickets were sold?
Mathematics
2 answers:
alina1380 [7]2 years ago
8 0

Answer:

81 adult tickets

Step-by-step explanation:

Step 1:

Set up a system of equations

Since the adult tickets and student tickets add to 243, we can do

a+s=243

and the student tickets sold were 2x the adult tickets, we can do

s=2a

We can replace s in the first equation adding to 243 with 2a

a+s(2a)=243\\3a=243\\

Step 2:

Solve for a. We can divide both sides by 3.

a=81

Therefore, there were 81 adult tickets sold.

Step 3:

We can check our work! Since we learned earlier the student tickets are 2x adult tickets, we can multiply 81 by 2 and add that to 81 to see if it equals 243!

s=2a\\s=2(81)\\s=162

And...

162+81=243

So, 81 must be the answer!

Serggg [28]2 years ago
5 0

Answer:

ok so I did this before

Step-by-step explanation:

just multiply 243 × 2 = ?

I got it right so you will probably get it right :)

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