Answer: 55.4 mins
Step-by-step explanation:
pragnesh and qazi = 2hrs
pragnesh and roghui = 3hrs
qazi and roghui = 4hrs
this means for every 1 hour they wold paint.
pragnesh and qazi =
half of the fence
pragnesh and roghui = 
qazi and roghui =
quarter of the fence
time taken when they all work together
=
+
+ 
= 
= 
= 0.9231 × 60(mins)
= 55.4 mins
Answer:
b is the answer I just took the test
Step-by-step explanation:
Answer:
betwen year 5 and 6
Step-by-step explanation:
th prize will drop betwen 5 and 6 years.
i think its the correct answer
Answer is C hope this helps
2x+4y=8
-2x -2x
4y=-2x+8
/4 /4 /4
y=-1/2x+2