SOLUTION: After a sailboat had been on the water for 4 h, a change in the wind direction reduced the average speed of the boat by 2 mph. The entire distance sailed was 78 mi. The total time
Algebra.Com
Question 807546: After a sailboat had been on the water for 4 h, a change in the wind direction reduced the average speed of the boat by 2 mph. The entire distance sailed was 78 mi. The total time spent sailing was 7 h. How far did the sailboat travel in the first 4 h?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
4x+3(x-2)=78
4x+3x-6=78
7x-6=78
7x=84
x = 12
4*12=48 miles first 4 hr
3*10=30 miles last 3 hours
RELATED QUESTIONS
After a sailboat had been on the water for 4 h, a change in the wind direction reduced... (answered by ankor@dixie-net.com)
After a sailboat had been on the water for 2 h. A change in the wind direction reduced... (answered by Boreal)
żAfter a sailboat had been on the water for 2 h. A change in the wind direction reduced... (answered by ikleyn,MathTherapy)
After a sailboat had been on the water for 5 h, a change in the wind direction reduced... (answered by ikleyn)
After a sailboat had been on the water for 3 h, a change in the wind direction reduced... (answered by stanbon)
After a sailboat had been on the water for 3 h, a change in the wind direction reduced... (answered by ankor@dixie-net.com)
After a sailboat had been on the water for 3 h, a change in the wind direction reduced... (answered by stanbon)
After a sailboat had been on the water for 3 h, a change in the wind direction reduced... (answered by stanbon)
After a sailboat had been on the water for 3h, a change in the wind direction reduced the (answered by stanbon)