exam Maths Puzzle Numerical Ability

Graph and check to solve the linear system.
0.5x+0.6y=5.4
-x+y=9

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exam Other Question

solve for x: 3x - 6y = 12 Demand equation. Helen�s Health Foods usually sells
400 cans of ProPac Muscle Punch per week when the price
is $5 per can. After experimenting with prices for some
time, Helen