Xiao Wang walks x meters every minute.
15x+3000÷20 *1= 3000 * means multiplying by 3000 ÷ 20 is the sum of two people's speeds, * 1 1 means1/.
X=90 meters
3000÷20-90=60
Answer Xiao Wang: each piece is 90 meters, and Xiao Lixing is 60 meters.
(2) Party A and Party B set out from A and B at the same time and face to face. When they met, they were 48 kilometers away from A. After meeting, they moved on and returned immediately after arriving at B and A respectively. They met for the second time at a distance of 94 kilometers. How many kilometers are A and B apart?
Two people, A and B, walked three full distances. One of them traveled 48 kilometers, and the other three traveled 48 kilometers. In the three whole races, A ran two less than 94km and B ran one more than 94km. Two less than 94km are 144, and those two cover 144.