exam
Maths Puzzle
Numerical Ability
The maximum value of z = 20x + 8y subject to:
3x + y ≤ 24
6x + 4y ≤ 66
x ≥ 0, y ≥ 0
a. 220
b. 160
c. 172
d. 132
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exam Other Question
I would appreciate any help with this problem.
Solve by completing the square
4x^2+2x-3=0
15. The sum of the digits of a two-digit number is 11. If the digits are reversed, the new number is 27 less than the original number. Find the original number.
