exam
Maths Puzzle
Numerical Ability
maximize the value of R=y+1/2x ,subject to the constraints x greater than or = to y greater than or = and x+y less than or = 4
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exam Other Question
I have this problem could someone help thank you.
A principal of $5000 was invested in a savings account for 4 years. If the interest earned for the period was $400, what was the interest rate?
Elaine was charged $288 interest for 1 month on a $1600 credit card balance. What was the monthly interest rate?
Is this right?
18%