exam Maths Puzzle Numerical Ability

a roof rises 1 feet vertically and 11.5 feet horizontally. What is the grade of the roof?

The grade of the roof is 1/11.5=.087 OR 9%
(round to the nearest percent as needed)

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exam Other Question

Adult tickets for a play cost $8 and child tickets cost $6. If there were 25 people at a performance and the theater collected $188 from ticket sales, how many adults and how many children attended the play? Lane invested $22,000, part at 8% and the other part at 7%. If the total interest at the end of the year is $1,710, how much did she invest at 8%?