Jason and Hilger are required to paint over the graffiti on a wall. If Jason worked alone, it
would take him 20 h to repaint. Working alone, Hilger could do the job in
15 h. How long
will it take them to do the painting if they work together?

8.57

Step-by-step ex

60t cross out 60 it turns in to 3t and 4t

3t+4t=60

7t=60

t==8.57rs

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: