exam Maths Puzzle Numerical Ability

Lucy is 4 times as old as Amy. Three years ago, Lucy was 13 times as old as Amy. How old is Lucy now?

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exam Other Question

y=-4+4 Suppose the graph of Y=X^3 is shifted to obtain each the following graphs. What is the equation of the function, g(x), for each graph? WHEN (Y,X) IS (-4,1.5) AND THE SECOND GRAPH I