Roberto is dividing his baseball cards equally between himself, his brother, and his 5 friends. Roberto was left with 6 cards. How many cards did Roberto give away? Enter and solve a division equation to solve the problem. Use x for the total number of cards. The equation is ( )=( )
There were a total number of ( )cards in the deck, and Roberto gave away a
total of ( ) cards.

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?