Help

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

Use the distributive law to multiply. 3(4x + 5y + 6)

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much