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