A and B run from AB to each other respectively and meet each other in 4 hours. After meeting, a walks for 3 hours to B. A travels 20 km more per hour than B. the total length of AB is? Km

A and B run from AB to each other respectively and meet each other in 4 hours. After meeting, a walks for 3 hours to B. A travels 20 km more per hour than B. the total length of AB is? Km


The 4-hour meeting shows that Party B walked for 4 hours and Party A also walked for 4 hours. Then party a spent 3 hours walking to the place where Party B started. It shows that the speed of Party B is 3:4 faster than that of Party A. because Party A travels 20 km more than Party B, the speed of Party A is 80 km / h and that of Party B is 60 km / h. Party A and Party B meet in 4 hours, and the distance between Party A and Party B is 4 (60 + 80) = 560 km



When a and B vehicles drive from two places 650 kilometers apart at the same time, a vehicle travels 65 kilometers per hour, and the two vehicles meet on the way 6.5 hours later
How many kilometers does car B travel per hour? Equation or formula


650÷6.5-65=100-65=35
A: car B travels 35 kilometers per hour



If car a travels less than 9 kilometers per hour and car B travels more than 6 kilometers per hour, how many kilometers is the distance between East and West after 7 hours


The distance between the two places = (9 + 6) × (7-6) × 6 = 90 km



Party A and Party B set out from two places at the same time, leaving each other and meeting each other in six hours. If car a runs less than 9 kilometers per hour and car B runs less than 6 kilometers per hour, the two cars have already run
The distance between the two places is 19 times that of the rest. How many kilometers is the distance between the two places


6 * (6 + 9) = 90.90 * (1 + 19) = 1800 km