X Х In a sample survey, 500
teenagers indicated that 175
of them use their computer
regularly. Out of 4,500
teenagers, predict how many
use their computer regularly
0 1425
O 1475
0 1525
0 1575

1,575 teenagers

Step-by-step explanation:

500 x 9 = 4,500

175 x 9 = 1,575

x = 1,575

This isn't how you would normally do it but this is the way that's easiest for me to remember. Hope that helped!

add an image

step-by-step explanation:

a) 7x=7

step-by-step explanation: