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On the island fisherman catches 200 fish for 10 days, 100 fish for 15 days and 250 fish for 5 days. Find average number of fish caught in the thirty days.
With wind, the airplane travels 2200 miles in four hours. Against wind, it takes five hours to travel 2350 miles. Determine rate of plane in still air.
The tugboat pushing the barge up Ohio River takes 1 hour longer to travel 36 miles up river than to travel same distance down river. If rate of current is 3 mph, determine speed of tugboat and barge
Twice as much will be invested at 4.5% as at 8%, and total interest earned first year needs to be $10,400. How much must be invested at every rate?
If total driving time was eight hours and part under construction was 208 miles, at what speed drive part under construction in mph?
Two rockets are launched. First one travels 9000mph. 15 minutes later second is launched at 10000mph. Find distance at which both rockets are the equal distance from earth.
Even with delay, Bob finishes 2 hours ahead of Moe. How fast was every person walking, and how long it took for every person to finish walk?
At same time Amy begins driving, Beth begins walking toward store at 3mph. Amy spends one hour at store, and then drives home at 30mph. Determine when and where Amy and Beth meet?
The Junior Verification Engineer takes one hour longer to fix bug (in the code) than it takes Senior Engineer. If they can fix bug in 5 hours working together, how long would it take every Engineer
This time boats pass each other when they are 400 meters from nearest shore. Suppose that each of boats travels at same speed in both directions, how wide is lake between two ferry docks?
The cyclist bikes at the constant speed for 24 miles. His return trip takes one hour longer and is 29 miles. Determine his speed?
The plane flying with wind went 600 miles in 3 hours. Return trip, flying against wind took 4 hours. Determine rate of plane in calm air and rate of wind.
Two cars start together and travel in same direction, one going twice as fast as other. At the end of three hours, they are 96 miles apart. How fast is every car traveling?
The child drops the ball from bridge. Ball strikes water under bridge 2.0 seconds later. Determine velocity of ball when it strikes water?
Wind is 60 kilometers per hour in the south easterly direction. Determine actual speed and dircetion of plane relative to ground.
Snoopy flies his Sop with Camel 120 kilometers from London to Calais in 12 hours, flying into the headwind. Return trip, with same wind as the tail wind, takes only two hours. How fast is Snoopy fly
But, had accident occurred 80km farther, it would have been 1.5 hours late only. Determine original rate of train and length of journey.
The car and train leave Richmond at same time and arrive in Waterbury at same time, car having traveled 15 km/hr faster then train. Determine speed of car and speed of train. Compute time it took fo
When top airlines changed to planes which flew 100 km/h faster than its old ones, time of its 2800 km Dallas-Seattle flight was decreased by 30 min. Determine speed of new planes.
The much older machine can surface one km in 18 hours. How long will it take them to surface 21 km of highway if they begin at opposite ends and work day and night?
Compass cost twice as much as paper. Eraser cost the third as much as compass. Pencil cost half as much as eraser. Compute the cost of each item?
Averages 55 miles per hour on drive. Carla leaves later, at 1:00 P.M., but averages 65 miles per hour. Determine which person arrives in Lake Tahoe first?
Company paid an average of $300 for Douglas fir and $225 for every ponderosa pine. If company paid $217,500 for trees, how many of every type company purchased?
One windy day, he runs 15 miles with wind and in same amount of time runs four miles against wind. Determine rate of wind?
The express and local train leave Seattle at 3pm and head for Arlington 50 miles away. Express travels twice as fast as local and arrives one hour ahead of local. Determine speed of the train.