exam Maths Puzzle Numerical Ability

Find two consecutive integers such that the sum of 3 times the first integer and 7 times second integer is 47.

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exam Other Question

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log (cuberoot(m^2))

thank you for your time.
I need help with this homework: evaluate the logarithm using the change-of-base formula
*log2 17.95
*log7 (2/3)