exam Maths Puzzle Numerical Ability

three years ago mary was three times as old as her sister. now mary is twice as old as her sister. how old is mary now.
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exam Other Question

Solve 2x^2=3x+2 by graphing. If exact roots cannot be found, state the consecutive integers which the roots are located.

Thanks Construct a Venn Diagram and use it to answer the following questions:
(a) How many of the resorts provided only refrigerators in the guest rooms?
(b) How many of the resorts p