exam
Maths Puzzle
Numerical Ability
Find the values of the positive numbers a and b, given that a is 8 times the size of b and the reciprocal of ab is 1 less than 3.
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solve for x:
8 over 4x+4 = 2 over 3x+1
Combinations of 23 cents and 32 cents stamps can be used for 55 cents and 78 cents postage and many other amounts. But no combination of 23 cents and 32 cents stamps can be used to