exam
Maths Puzzle
Numerical Ability
find the valve of T, if t/12= -18
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exam Other Question
Employees use two methods to refinidh a chair. Method I takes 1 hour and cost $3. Method II takes 1 1/2 hour and cost $1.50. Last week, they took 36 hours and spen t $60. How many did they refinish with each method?
Solve each of the following systems by graphing.
x-2y=8
3x-2y=12