exam Maths Puzzle Numerical Ability

2h/5-1/5=3h/5+4/5-2h/5 plesae help!

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The expression pie(r square gives the area of a circle with radius r. How many square meters of wheate were destroyed when an alien ship made a crop circle of diameter 25 meters in the wheat field at the Southwind Ranch? Find pie on your
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I am not good at word problems and have a couple I need assistance with...

A company uses the formula C(x) = 0.02x^2 - 3.4x + 150 to model the unit cost in dollars f