exam
Maths Puzzle
Numerical Ability
Lauren has $1000 made up of only ten and twenty dollar bills. She has a total of 75 bills. How many of each kind does she have?
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exam Other Question
Solve x^2=-6x
A) 0,6
B)6,-6
c)2,6
D)0,-6
Graph inequality.
3x+4y is less than or equal to 12.