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Maths Puzzle
Numerical Ability
5{a-2b}-3a{4-b}
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book Other Question
A fisherman takes his boat out to sea and then back to the harbor. The entire trip lasts 8 hours. If he travels out at 18 mph and follows the same route back at 14 mph, how many miles does he travel altogether?
What would a written expression to represent the perimeter of a rectangle be?
2x-7 for the width
3x center
x heigth