A customer has $10 to insert into a jukebox that plays songs for
$1 each. When a represents whole numbers less than 10, the
function f (x) = 10 - a represents the amount of money remaining
after a songs are played on the jukebox.
What is the value of f (7), in dollars and cents?
$

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)

the answer is b