exam
Maths Puzzle
Numerical Ability
If a clock loses 2 minutes every 15 hours how much times does it lose after 2 hours? Need help on how to solve. Answer is 4/15
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exam Other Question
Michael purchased a Wayne Gretzky rookie card for $3.50 in 1985. In 2008 the card is worth $58.19. What was the annual rate of appreciation? I think the answer is 1.3% but I'm not
Solve
(2x + 3y = 7
(x - 2y = 7 (Use substitution.)