book Maths Puzzle Numerical Ability

18-3.8t=7036-1.9t

i need to find the answer to T.thank you

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book Other Question

How do you work a problem with a fraction or a negative fraction as an exponent. As in L = (1 - 1/100)^-1/2. if a^x=b is it possible to express x in terms of a & b?