book Maths Puzzle Numerical Ability

What is the verbal expression of 8 increased by three times a number

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book Other Question

There are x teams in a league and each team plays each other team twice, then the total number of games, N, played for the season is: N=x^2-x. If the league played 182 games, how many teams are there? The sound of thunder travels away from a lightning flash at 331m/s. Joe sees a
lightning flash, & then hears the thunder 12 seconds later. Howfar away is Joe from the lightning flash?