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Maths Puzzle
Numerical Ability
Could I havehelp with this problem please* Find an equation of variation for the given situation. y varies inversely as the square of x, and y=6 when x=3
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Solve each of the following problems. Be sure to show the equations used for the solution.
Number problems. Jill has $3.50 in nickels and dimes. If she has 50 coins, how many of each type of coin does she have?
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1)Work. Henry sold 120 magazine subscription in x + 2 days. If he sold at the same rate for another week, Then how many magazines did he sell in the extra