exam Maths Puzzle Numerical Ability

) Statistics. A survey of 400 people found that 66 were left-handed. What percent of those surveyed were left-handed?

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exam Other Question

A disc jockey must play 12 commercial spots during 1 hour of a radio show. Each commercial is either 30 seconds or 60 seconds long. If the total commercial time during 1 hour is 8 write an equation for a function that has the shape of y=^4 but shifted left 2 units and up 3 units