What is total value in maths?

Is traveling at 60 mph and b is traveling at 80 mph a passes the station at 1110am and b passes the same station at 1125 am what time will b catch up with a? Is 13 a prime number or a compatible number? How many 50 inches are in a yd and ft? How many feet are in 250 centimeters? How many children were killed in the Twin Towers? Why you study integral calculus? What is two wholes take away eleven - tenths? What is 2.54 cm in mm? What are 2 examples of scientific model? 210 percent of what number is 147? How much is a gram in weight? What are the prime power factorization of 972? What is the largest two-digit number that can be rounded off to 10? What is 110 over 500 in simplest form? Graph y equals 8x-2? What percentage is 35 out of 41? How many feet are there in 136 inches? Is the word neatly an adjective? How much is 233.00 plus tax? How do you write one lakh twenty five thousand in words write the numbers in words?