Answer:
300=initial time and 0.05 is the amount of time shaved off of the initial time to run the marathon
Step-by-step explanation:
The answer is: y= 2/3x +5
The commen denominator for 10 and 2 would be 10. so 3/10 will stay the same ... and now we change the 1/2 to a fraction that has its denominator as 10. so the new fractions would be ... 3/10, and 5/10.