Three students have started a fence-painting business. Working together, Pragnesh and Qazi can paint the fence in 2 hours. Similarly, Pragnesh and Ronghui can paint the
fence in 3 hours when they work together. Finally, when Qazi and Ronghui work together, they can
paint the fence in 4 hours. How long would it take if all three students worked together to paint the

4 1/2 hours

Step-by-step explanation:

Pragnesh = 30 minutes

Qazi = 1 1/2 hours

Ronghui = 2 1/2 hours

add them and that gets you 4 1/2 hours. You can also check this yourself by putting this in the number problem. :)  

his chances of getting a coin of higher value is 4/19

step-by-step explanation:

c: y > - 1/6x + 1

step-by-step explanation:

dashed line - meaning this < or > also not equal

solid line - meaning this < or > also equal

your answer is c because y > means up & it's shaded up, but y < means down

hope this ! : )