Find speed of stream if boat travels downstream in same time
The boat travels 50 miles downstream in same time that it takes to go 30 miles upstream. Speed of boat in still water is constant 20 miles per hour. The speed of stream in mph is?
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Fifo and lifo, Please compute the problems both #1 and #2 for the answers and so I can understand the answers. FIFO and LIFO
Every occupied room costs $4 per day to clean and supply. On this basis, find price, in dollars, must you charge per unit per day to maximize the profit?
If we suppose that vessel travels at the constant speed in still water and that river flows downstream at the constant speed, then river's speed of flow is how many mph?
Grapes oscillate up and down with the period of 0.39 s, and spring in scale has the force constant of 620 N/m. (i) Determine mass of grapes? (ii) Find weight of the grapes?
Probe will shut down when wattage goes below 35 watts. Correct to nearest whole day, how many days after launch will probe shut down?
Setting up her transit again, she discovers that her line of sight, CB, to tower is 81 degrees. Correct to nearest whole foot, how far is point C from tower?
If wheels (comprising tire) of truck are 15 inches in radius, then how many revolutions will wheel make in hour if truck travels at steady speed of 50 miles per hour? Determine to nearest 10 revolutions per hour.
RRR discovers that demand for its rubies is presently 20 rubies per week and is decreasing at the rate of one ruby per week. How fast is price changing?
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