The train at an amusement park is a scale model of a full size train. A measure of 0.15 meter on the train at the amusement park represents 1 meter on the full size train. The train at the amusement park is 21 meters long what is the length of the full size train in meters

Jo divides a candy bar into eight equal pieces for her children to share she gives three pieces to sam three pieces to leslie and two pieces to margie rose the two month old baby does it doesn't get any what fraction shows how muchw candy each of the four children got. what's the answer to my question