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Maths Puzzle
Numerical Ability
Could you help me solve this problem the directions is multiply then simplify each expression The Expression is: (3x+2)(x^-5x+2)
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a dentist invested a portion of $15,000 in a 7% annual simple interest account and the remainder in a 6.5% annual simple interest goverment bond. the two investments earn $1020 in interest annually. how much was invested in each account.
(1) 6.8cm= how many mm?
(2) 10mm= how many km.?
(3) 0.14mm = how many m.?
(4) 5dm = how many cm?
(5) 0.89cm= how many km?