You can put this solution on YOUR website! use unit multiplier to
convert 20 square inches per minute to square yards per hour
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(20)(in^2/min)(1 yrd/36 in)^2*(60 min/1 hr)
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= [20*1^2*60]/[1*36^2*1](sq yds/hr)
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= [(1200)/(1296)](sq yds/hr)
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= 0.9259 (sq yds/hr)
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Cheers,
Stan H.