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Maths Puzzle
Numerical Ability
x+1/ 2 = x+2/ 3
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THE DISTANCE BETWEEN BOSTON AND CAMBRIDGE IS 10 MILES. A PERSON WALKS 5 MILES PER HOUR, THE JOGS 8 MILES PER HOUR THE REST OF THE WAY. IN FIND THE FORMULA THAT EXPRESSES THE TOTAL
(1) solve for x: 3^x-1 =2
(2) rewrite as a sum or difference of multiples of logarithms and simplify:
log2( 8 square root of x/y^2)