A new machine can produce 5000 bolts in two thirds the time required by the old machine. If it takes the new machine six hours to do this job, how long did it take the old machine? HELPP!!

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.