exam
Maths Puzzle
Numerical Ability
the tugboat moves at a rate of 10mph in still water. it travels 24 mi upstream and 24 mi downstream in a total time of 5 hr. what is the speed of the current?
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exam Other Question
Q1. Rearrange x = 1/2 A In (q - 3) + c to obtain q
Q2. Make y the subject E = P (1 - e^(y - 1))
express (3+H)/(1+2H) in the form a+bH where a and b are real numbers.
i assume i have to get rid of the denominator, but its not an equation just an expression and I am awful with