How many liters of a blue dye that costs $1.60 per liter must be mixed with 18 L of anil that costs $2.50 per liter to make a mixture that costs $1.90 per liter?
After a sailboat had been on the water for 3 h, a change in the wind direction reduced the average speed of the boat by 5 mph. The entire distance sailed was 57 m. The total time spent sailing was 6 h. How far did the sailboat travel in the first 3 h?
2007-05-09
06:23:25
·
3 answers
·
asked by
curt
1
in
Arts & Humanities
➔ History