exam Maths Puzzle Numerical Ability

I need an equation and solution for this word problem(please show your work): four times the sum of three consecutive integers is 180.

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exam Other Question

1.Find f^-1(x), if it exists, for f(x)=6x+5

2. Use the properties of logarithms to write the following expression as a single logarithm: 2 log x + 2 log y - 4 log z If The Question says "eight more than the product of a number and 100" would The answer be 100x-8 ?