At the movie theater, child admission is $5.10 and adult admission is $9.10. on monday, 151 tickets were sold for a total sales of $1030.10. how many adult tickets were sold that day?

65

Step-by-step explanation:

Let "a" represent the number of adult tickets sold. Then the number of child tickets sold is 151-a and the total revenue for the day is ...

9.10·a + 5.10·(151-a) = 1030.10

4a = 260 . . . . . . subtract 770.10

a = 65 . . . . . . . . . divide by 4

The number of adult tickets sold on Monday was 65.

Check

65 adult tickets and 86 child tickets will produce a revenue of ...

65·9.10 + 86·5.10 = 591.50 + 438.60 = 1030.10 . . . . answer checks OK

65 adult tickets were sold that day

Step-by-step explanation:

Let's call:

c: number of child tickets sold on Monday.

a: number of adult tickets sold on Monday.

Set up the following system of equations:

You can solve it by Substitution method, as following:

- Multiply the first equation by -5.10

- Add both equations.

- Solve for a.

Then:

f(x) = y

f(-3) = -5

step-by-step explanation:

the data of the detroit pistons in numerical order from least to greatest is 0.30, 0.37, 0.55, 0.62, 0.69, 0.72, 0.73, 0.75, 0.77, 0.78, 0.80, 0.81, 0.81, 0.83, 0.84, 0.89

the data of the miami heat in numerical order from least to greatest is 0.50, 0.50, 0.56, 0.57, 0.67, 0.72, 0.72, 0.72, 0.75, 0.75, 0.76, 0.81, 0.82, 0.90, 1.00, 1.00

the detroit pistons median : 1.52

the miami heat median: 1.47

the iqr of this data is 0.05