The question on my quiz is “which expression has the value of 15 when the n=7 a.43-5n

b.3n-5

c.6n-28

d.19-28/n

Step-by-step explanation:

Hey there!

Well, using 19 - 28/n and plugging 7 in for n.

19 - 28/7

19 - 4

= 15

Hope this helps :)

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.

answer: the answer is ann