Question 248740
5 step???


"joe bond secret agent rows 6 miles downstream in 1 hour" ___ B + c = 6 mph


"3 hours...and bond just barely arrives in time to defuse it" ___ B - c = 6/3 = 2 mph


adding equations ___ 2B = 8 ___ B = 4


substituting ___ 4 + c = 6 ___ c = 2