book
Maths Puzzle
Numerical Ability
Tell whether the points are the vertices of a parallelogram (that is not a rectangle), a rectangle, or neither.
(-7, -1), (2, -10), (16, -3), (7, 8)
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book Other Question
Vern invested $11,000. Part was invested at 15% and part at 13%. If the total interest at the end of the year is $1,610, how much did he invest at 15%?
2 pts
At Jefferson High School there are 1200 students. Four percent of the students wear one ring. Of the other 96%, half wear two rings and half wear no rings. What percent of the students wear rings?
thanks for helping me!