time= distance/speedtake distance as d. take time as t.the time taken: d/ 65 for the train however it is the same distance for d/130 so we can say (d/65)-3 = d/130now solve the equation, multiply both sides by 1302d-390=d2d-d=390so d=390 mi
Answer:
Natural/Counting Numbers
Step-by-step explanation:
It is the smallest subset a number can classify into. It is all of the numbers from 1 to positive infinity.