exam
Maths Puzzle
Numerical Ability
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%?
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exam Other Question
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)
Factor completely.
16x^2 - 2x - 3