Question 142327
The average of x,y, andz is 80. If two of the numbers are 74 and 78, then what is the other number.
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EQUATION:
(74 + 78 + z)/3 = 80
152 + z = 240
z = 88
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Mrs Jones is installing wall to wall carpet in a room that measures 12 1/2ft by 9 2/3 ft. how much will it cost if the carpet is $26.00 per square yard?

Area = [12 1/2][9 2/3] = 725/6 square feet
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Cost = (725/6)*26 = $3141.67
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Cheers,
Stan H.