book Maths Puzzle Numerical Ability

an oil painting is 16 years older than a water color by the same artist. the oild painting is also three times older than the watercolor. how old is each?

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book Other Question

if x varies inversely as y^2, and x=3 when y=24, find x when y=6 In the first NFL championship played in 1967, Green Bay and Kansas City scored a total of 45 points. Green Bay won by 25 points. What was the score?