Saturday
April 30, 2016

Posts by vinci

Total # Posts: 12

math
Michael and Barry can complete a job in 2 hours when working together. If Michael requires 6 hours to do the job alone, how many days does Barry need to do the job alone?
July 16, 2013

math
One pipe can fill a pool in 20 minutes, a second can fill the pool in 30 minutes, and a third can fill it in 10 minutes. How long would it take the three together to fill the pool?
July 16, 2013

math
If A can do a job in 6 days that V can do in 5 1/2 days and C can do in 2 1/5 days, how long would the job take if A,B, and C were working together?
July 16, 2013

math
P=\$180+(9 x \$6.75) =240.75
July 16, 2013

math
Find the pay P Ken receives for a 49-hour week if the pay x he receives for 40 hours is \$180 and the pay y for each additional hour is \$6.75. Use P = x + 9y.
July 16, 2013

math
C = \$1.80 + ( 7 x \$0.35 ) = \$4.25
July 16, 2013

math
Find the cost C for a 10-minute phone call if the cost x for the first 3 minutes is \$1.80 and the cost y for each additional minute is \$0.35. Use C = x + 7y.
July 16, 2013

math
The sum of two numbers is not more than 56. One number is six times the other. Find the greatest possible values for the numbers.
July 15, 2013

math
Andrew's salary is \$1200 a month plus 4% commission on all his sales. What must the amount of his sales be to earn at least \$1600 each month?
July 15, 2013

math
A house and a lot together cost more than \$86,000. The house costs \$2000 more than six times the costs of the lot. How much does the lot cost by itself?
July 15, 2013

math
The length of a rectangle is 7 cm longer than the width. The perimeter is no less than 38 cm. Find the smallest possible dimensions of the rectangle.
July 15, 2013

math
After selling 160 copies of the program to a school play, an usher had fewer than 40 copies left. how many copies of the program did the usher have originally?
July 15, 2013

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