ᗪoᑌᗷᒪe ᗪeᒪiᑕioᑌᔕ ᗷᗩkeᖇy ᔕeᒪᒪᔕ ᗩ ᗪoᘔeᑎ ᗪoᑌᗷᒪe ᑕᕼoᑕoᒪᗩte ᗪoᑎᑌtᔕ ᖴoᖇ $7.80.
ᗩ) ᗯᕼᗩt iᔕ tᕼe ᑭᖇiᑕe ᑭeᖇ ᗪoᑎᑌt ᗷ)ᗯᕼᗩt iᔕ tᕼe ᑕoᔕt oᖴ. 1 1/2 ᗪoᘔeᑎ ᗪoᑎᑌtᔕ

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)