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The plane flies 480 miles with wind and 320 miles against wind in same length of time. If speed of wind is 28mph, determine speed of plane in still air?
First he ran at 8mph for first third of trip but soon got tired and slowed down to 5mph for rest of 2 mile trip. Determine how many minutes it took little piggy to reach home.
If they cycle in same direction, James will pass George in seven hours. Determine average rate if speed, in miles per hour, of both cyclists.
The small plane flying into wind takes 3 hours 20 minutes to complete flight of 960 km, flying with wind, same plane takes 2 hours and 30 minutes to make same trip. Determine speed of plane and spe
Jenny, who rides the moped, takes two hours less to travel 60 miles than Maureen takes to travel 50 miles on the bicycle.
The aircraft travels upwind with the speed of 420 mph for 7 hours. In how much time will it cover same distance in absence of wind? Wind speed is given as 120 mph.
He then returns home at same speed but takes the different route. The return trip takes one hour longer and is 25 miles. Determine the speed.
On the certain map, the distance is represented by 42 in. On same map, seattle and cincinnati are 92 in. Find real distance between seattle and cincinnati.
The car travels 400 miles on level terrain in same amount of time it travels 160 miles on mountainous terrain. If rate of car is 30 miles per hour less in mountains than on level ground, determine
After work traffic was heavier and he drove home at 45 miles per hour. Drive time to and from work was one hour and 16 minutes. How far Linker lives from work?
If she averages 55mph on country roads and 35 mph through towns, and if travels three times as far on country roads as she does through towns, find total length of the trip?
Knowing that Leah walks 1.5x faster than the daughter and that they are travelling in the straight line, find at what time they meet?
George can ride the bike to work in 3/4 hour. If he takes his car to work, trip takes 1/6 hour. If he drives the car an average of 14 miles per hour faster than he rides the bike, find distance he t
Compute electric flux through the surface when surface is the sphere with the radius of 0.20 m, sphere with the radius of 0.10 m, and the cube with edges which are 0.10 m long.
Three of charges are positive and one is negative. Find out magnitude of net electric field which exists at center of square.
Brine having 1lb of salt per gallon flows into tank at rate of 3gal/min, and stirred mixture is drained off tank at rate of 4gall/min. Determine amount y(t) of salt in tank at any time (t).
United Kingdom Debt per person In 2010, United Kingdom's government had the debt of about £923 billion (pound, symbolized £, is United Kingdom's unit of currency.)
Coldest temperature recorded in United States was -80oF, that happened at Prospect Creek Camp, Alaska, in Endicott Mountains on January 23, 1971. Find difference between the two temperatures.
Every student is needed to write the essay on one of six possible topics. Find fewest possible number of students who could have selected topic chosen by most students?
Assume that 971 individuals with gene participate in the lifetime study. Find standard deviation of number of people who ultimately contract disease?
Probability of at most 3 flaws in the randomly selected yard of cloth is? Standard deviation of number of flaws is the randomly selected yard of cloth is?
Create the differential analysis, dated January 21, 2014, to find whether Star Cola must be continued (Alternative 1) or discontinued (Alternative 2).
The insurance representative traveled 735 mi by commercial jet and then the extra 105 mi by helicopter. Rate of jet was four times rate of helicopter. Complete tip took 2.2 hours. Determine the rate
Distance between home and work is 25mi and total time for trip was 2 hours. How far motorcycle went before it broke down?
Student averages 5 kmp walking and 9 kph jogging. Distance from home to college is 8k, and student makes trip in one hour. How far student jogs?