exam
Maths Puzzle
Numerical Ability
if steven can mix 20 drinks in 5 minutes.sue can mix 20 drinks in 10 minutes. jack can mix 20 drinks in 15 minutes.how much time will it take all three of them working together to mix the 20 drinks
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exam Other Question
Find the shortest distance between the two lines:
(x,y,z) = (2,-1,2) + t(-3,-2,-2)
(x,y,z) = (-3,4,1) + s(0,2,0)
Thanks sooo much!
7.8 + C = 9.4