exam
Maths Puzzle
Numerical Ability
Roberto invested some money at 7% and then invested $5000 more than twe the amount at 9%. His total income for two investments was $3950. How much was invested at 9%?
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exam Other Question
how will i plot and solve 2x-3y+6=0
Simplify:
-4 square root 27 + 2 square root 12