exam Maths Puzzle Numerical Ability

A farmer wants to fence off a small rectangular enclosure of 1000metre squared in a field. He has 90 m of fencing and will use one of his existing boundary walls for one of the lon

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Sarah needs to borrow $1500 for her school tutition. She borrows the money on a six monthe short term note that charges simple interest. After 6 months, she owes $90.00 in interest. What is the simple interest rate being charged on this note? Your parents want to start a college fund for you. they plan to deposit money in an account that pays 2% annual interest compounded monthly. how much should they deposit so that th