the movie theater took in $1,220 one monday night. the number of $7 child tickets was 10 more than twice the number of $9 adult tickets. how many of each were sold?

110 child tickets and 50 adult tickets were sold.

Step-by-step explanation:

Let x be the number of child tickets and y be the number of adult tickets.

then, According to the given information, we have

Substitute the value of x from (2) in (1), we get

Now, put the value of y in (2), we get

Hence, 110 child tickets and 50 adult tickets were sold.

answer: i think it is (1,-2)

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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