Aplot of land doubles in size by adding xmeters to the length and x meters to the width of the land.
if the original plot had an area of 200 by 300 meters, what is the value of x?

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same