exam
Maths Puzzle
Numerical Ability
The width of a rectangle is 7 ft. less than the length. The area of the rectangle is 120 ft 2(square). Find the width of the rectangle.
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The bus fare in a city is $1.75.people who use the bus have a option of purchasing a monthly copoun book for $28.00. with the copoun book, the fare is reduced $o.75. determine the
Solve by using quadratic formula:
x^2+4x+2=0
This is what I have, not sure if correct?
x=-4+-square root 4^2-4(1)(2) divided by 2
x=-4+-square root 2 divided by 2
x=2 x=-4
