A college student earned $5100 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 9% and the rest at 8%. If the student received a total of $445 in interest at the end of the year, how much was invested at 9%?

Question

anonymous · Answer

$$.09x+.08(2100-x)=445$$is the equation to solve

anonymous · Answer

oops
$$.09x+.08(5100-x)=445$$

anonymous · Answer

or 
$$9x+8(5100-x)=44500$$ if you do not feel like working with decimals