exam
Maths Puzzle
Numerical Ability
Janet invested $13,000, part at 13% and part at 6%. If the total interest at the end of the year is $1,200, how much did she invest at each rate?
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exam Other Question
solve by substitution method
9x+7x=-47
-5x+y=31
How would you solve this problem? I have tried and tried to solve this problem and I can't seem to find out the answer. It's multiple choice>
2 2
{{{x * x -x-56}