exam
Maths Puzzle
Numerical Ability
f=f1f2/f1+f2 solve for f1
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exam Other Question
1) 16 is 8% of what number?
2)4 (3)/(5) + 1(4)/(15) =
3)one solution of x^2-4x= 12 is
4)c/d +2 =
Janet invested $29,000, part at 12% and part at 14%. If the total interest at the end of the year is $3,800, how much did she invest at 12%?
I am having a terrible time setting up this problem...