exam Maths Puzzle Numerical Ability

Arnold had $1.70 in dimes and quarters. HE had 3 more dimes than quarter. How many of each coin did he have?

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exam Other Question

Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose tha 30) If f(x)=4x-3 find the following f(-1)

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