At what point did they give up and decide that the numbers to the right of the decimals would never repeat and never stop?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.