exam Maths Puzzle Numerical Ability

Suppose you have a coin collection of nickels and dimes containing 63 coins. If you have $5.05, how many of each type of coin do you have?

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exam Other Question

Can you help me graph the equation y=x^2-4x and y=-x+1

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ac
You have at least $30 in change in your drawer, consisting of
dimes and quarters. Write an inequality that shows the different number of coins
in your drawer.