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Maths Puzzle
Numerical Ability
(x^4)^-1/4/x^1/4
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exam Other Question
If I dove from a 30 foot diving board into a pool and went 27 feet into the water. What is the total distance I traveled?
Solve: 17-4x/12=5
An 80-pound grass seed mixture is 30% bluegrass seed. How many pounds of seed containing no bluegrass seed (0%) should be added to the seed mixture for a resulting blend that is 20% bluegrass seed?