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Maths Puzzle
Numerical Ability
If one and one-half teams of men require one and one-half days to shovel one and one-half truckloads of sand, how long will it take one teams to shovel one truckload?
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Please help me solve this: 7r-(2r+8)=32
how do u do this 2x+3y=(-4)
x+y=(-2)
and this x+2y=0
y=3