At the movie theater, childs admission is $6.10. adult admission is $9.40. on tuesday four times as many adult tickets as child tickets were sold. for a total of $1179.90. how many child tickets were sold that day?

The number of children's tickets sold was 27

Step-by-step explanation:

Let

x ----> the number of children's tickets sold

y ----> the number of adult's tickets sold

we know that

----> equation A

----> equation B

Solve the system by substitution

Substitute equation B in equation A

solve for x

therefore

The number of children's tickets sold was 27

step-by-step explanation:

i hate black

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40