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Maths Puzzle
Numerical Ability
can you please help me solve by the additon-or-subtraction method: (((12a-5b=18 15a-5b=30)))
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Use the ln key to express each number as a power. Then use the rules of logarithms to find the answer.
(45,332 * 10^5)*)33,654 * 10^-4)
DIVIDED BY
93,153
A girl practiced running on her school's field. Her pedometer showed that she ran 300ft in 10seconds, how many minutes would it take for her to complete the mile?