Henry is hanging flyers on front doors for his father's pizza business. he hung 130 flyers in 95 minutes. he still has 870 flyers to hang. his brothers, nick and adam, come to . nick hangs flyers 50% faster than henry, and adam hangs flyers 20% slower than henry. find the constant of proportionality for the flyer hanging rate of henry, nick, and adam combined? (round to nearest tenth)