exam
Maths Puzzle
Numerical Ability
A pair of diamond earrings is priced at $325 and is discounted to $150. Find the markdown percentage rate to the nearest whole number.
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Right now,Im working on a area of shapes in my math,Im not sure how to draw so anyone can see this,so Im going to try another way.
Round to nearest whole number,Use 3.14 for pie
If u=<-2,2,-1> and v=<4,-2,1>, find
a.) |u| and |v|
b.) The unit vector of u and v
c.) u.v
d.) u*v