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Maths Puzzle
Numerical Ability
A building that is 150 ft tall casts a shadow of 20 feet long. At the same time a tree casts a shadow of 2 ft. How tall is the tree?
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.1166meg ohms/ 1/.22meg ohms + 1/1meg ohms + 1/x
how do I solve for x?
CAN SOMEONE TEACH ME HOW TO DO LINEAR INEQUALITIES?
like - how do i find a boundry of a line?
ex. y>x y=____