book Maths Puzzle Numerical Ability

Cynthia invested three times as much money at 6% as at 5%. If the total simple interest for one year is $1150, how much has Cynthia invested at 5%?

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book Other Question

By considering factors, find the smallest value of x such that 120x will be a perfect square. one man recieved 15% more than another man when they shared an inheritance of $4,300.00/ how much did each man receive?