exam Maths Puzzle Numerical Ability

Jay is five years older than James who is x years old now. In two years, Jay will be twice as old as James. Find their ages 5 years from now.

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exam Other Question

fill in the chart given this linear equation:
y=-7x-4 The relative density of an object may be defined as its weight in air Wa, divided by the difference of its weight in air and its weight when submerged in water, Ww. For a lead weight, Wa = 1.097 Ww. Find the relative density of lead.