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Maths Puzzle
Numerical Ability
Jason got a 7 5 on a math test. He was allowed to go to the math lab and take a retest. He increased his score to 84. What was the percent of increase?
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solve using the calculator.
3x+2y=3
y=(3/2)x-(1/2)
(3/2)and(1/2) are shown as fractions out of paranthesis on my paper.
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