exam Maths Puzzle Numerical Ability

There are 132 more silver dollars than 50-cent pieces.
The ratio of the silver dollars to 50-cent pieces is 5:2.
So how many of each coin are there?

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exam Other Question

Tutor could you help me please. Determine the slope, if it exists of the graph of the given linear equation.

3x-4y=-11
The second problem is y=3/4 Find the slope of any line perpendicular to the line through points (0, 5) and
(-3, -4).
please...