Multiple choice which value of x makes the equation 4x- 12=3x- 9 true?

4x-12 = 3x-9

subtract 3x from each side

x-12 = -9

add 12 to each side

x = 3

Answer x=3

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

$15 each

step-by-step explanation:

$45/3 children= $15 each