One student can paint a wall in 12 minutes. another student can paint the same wall in 24 minutes. working together, how long will it take for them to paint the wall?

16

step-by-step explanation:

2 x 40 = 80

80/5

= 16

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076