Helping students gain understanding and self-confidence in algebra.
vcanezal wrote:5. the water current is 3mph. going upstream for 36 miles against the current takes one hour longer than going the same distance downstream with the current. find the speed of the boat in still water. thanks?
vcanezal wrote:7. together bart and lisa require 3 hours and 36 mins to clean the house. Alone, bart would require 3 hours more than lisa. how long would it take lisa to clean the house alone? pls incluce the equation and how to solve it
vcanezal wrote:15=x since its still water. idk if i did it right tho
vcanezal wrote:7. idk. got stuck with the decimals. [(1/x+3)(3.36) + (1/x)(3.36)= 1] xLCD( x+3)(x)