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Maths Puzzle
Numerical Ability
a+7-2a=14+7a-10
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At noon, one ship sails north from Castaway Island at 15 knots and another ship sails east at 20 knots. (A knot is a nautical mph.) How far apart will the ships be at 2:00 p.m.?
the hypotenuse of a right triangle is 26 feet long. one leg of the triangle is 14 feet longer than the other leg. find the lengths of the legs of the triangle. please, and thank you!!