The boat sailed 24 km down the river and 15km along the river in 3 hours, and 8 km down the river and 35 km along the river in 4 hours. How fast is the boat sailing on calm water?

Q: A kilometer is a bit more than .62 miles. If the speed limit along the stretch of a highway in…

A: Given that the speed limit along the stretch of a highway in Canada is 90 kph.

Q: It took 180 men working 8 hours a day 21 days to complete a job. How many men will be employed to…

A: Let's find.

Q: The distance between two cities is 1700 km. How long will it take, in hours, to drive from one city…

A:

Q: A bus is traveling at a constant speed. If the bus travels 15 1/2 miles in 1/3of an hour, how many…

A: Given, A bus is traveling at a constant speed. The distance of bus=1512=30+12=312 miles Time taken…

Q: Two trains leave stations 448 miles apart at the same time and travel toward each other. One train…

A: Two trains leave stations 448 miles apart at the same time & travel toward each other. One train…

Q: Two cyclists, 96 miles apart, start riding toward each other at the same time. One cycles 3 times as…

A: Let the speed of the farrer cyclist be u mile/h.In the other cyclict's speed in u3 mi/h. Now in 3…

Q: two joiners and five mates earn 1824 between them for a particular job. if a joiner earn 72 more…

A: Here is the solution:

Q: A train Travels 360 km at a uniform speed.If the speed had been 5 km/hr more,it would have taken 1…

A: GivenDistance =360kmSpeed =DistanceTimeTime=DistanceSpeed To findSpeed of train.

Q: 2. The delivery truck driver took 10 hr. to deliver products to an outline which is 600 km away from…

A:

Q: A high-speed train makes a 450 mile nonstop run between two major cities in / hours. The train…

A: Given A high speed train makes a 450 mile nonstop run between two major cities in 712 hours. The…

Q: a railroad crew can replace 450 meters of rails in 3 days.   how many kilometers of rail can they…

A: Basic concept: The amount of work done in 'N' days = xThe amount of work done in '1' day    = x NThe…

Q: A car travels 238 miles In 3 hours and 30 minutes. How many miles does It travel per hour? miles per…

A: Unitary method problem

Q: If a garden snail can travel one mile in 33 hours, how manydays will it take for such a snail to…

A: If a garden snail can travel one mile in 33 hours then timeT taken to travel 6 miles will be…

Q: There are 5,280 feet in a mile. If you have slowed down and are now traveling 40 feet per second and…

A:

Q: A host covers 32 km upstreams and 36 km downdtreams in 7 hours.Also, it covers 40 km upstreams and…

A:

Q: Train A leaves the station and travels east at 45 mph while Train B leaves the same station and…

A:

Q: A hound was chasing a fox. Whenever the hound took 4 leaps, the fox took 5. If 3 hound leaps cover…

A: It is given, when the hound takes 4 leaps, fox takes 5 leaps.Obviously, when hound takes 1 leap, fox…

Q: ​ truck, moving​ continuously, averages 52.5 mph for 8.75 hr. How far does

A:

Q: If you can walk 3 1/3 miles in an hour, how many miles can you walk in 30 minutes, given the same…

A:

Q: A boat can travel 8 miles downstream in the same amount of time it can travel 5 miles upstream. If…

A: If the speed of a boat in still water is u mph and the speed of the stream is v mph , Then  Speed of…

Q: A train travelled 720km in 9 hours.  How far would it travel in 11 hours?

A:

Q: i can run 5 miles on one hour.At this rate,how long will it take me to run 7 miles?

A: I can run 5 miles on one hour. At this rate, how long will it take me to run 7 miles?

Q: A ribbon 56 centimeters long is cut into two pieces. One of the pieces is three times longer than…

A:

Q: Suppose that 700 pieces of chocolate candy are to be sold 50 pieces to a box. How many boxes are…

A:

Q: If a parade 2mi long is proceeding at 3 mph, how long will it take a runner, jogging at 6 mph, to…

A:

Q: A motorboat maintained a constant speed of 15 miles per hour relative to the water in going 10 miles…

A: let x=speed of current15-x=speed of boat upstream15+x=speed of boat downstreamtravel…

Q: The bacteria of a culture starts with 200 bacteria and triples in size every half hour. After 2…

A:

Q: If a person ran a 26.2 mile race in 2 hours and 15.4167 minutes, how fast was she going in mph?

A: Given: The distance of the race =26.2 mile Therefore the distance covered by the person  is…

Q: 2) Richard can run a distance of 25 kilometers within 2 hours. How long will It take him to run 8…

A: given: Richard can run a distance of 25 kilometers within 2 hours. we have to determine how long…

Q: A car traveling on the Taconic parkway travels 84 miles in two hours. What is the cars speed (a…

A: Given: The distance travelled by the car in two hours is 84 miles.

Q: A space ship travels at 25 miles per hour and traveled continuously for 211 hours. Enter the answer,…

A: We have to find out how many miles the space ship travelled.

Q: 2. When Ace Airlines changed to planes that flew 100 km /h faster than its old ones, the time of its…

A: Given: Ace Airlines changed to planes that flew  faster than its old ones, the time of its…

Q: Car A and car B are traveling at different speeds. Car A can travel 105 miles in the same time it…

A:

Q: The wings of a ruby-throated hummingbird beat an average of 52 times per second. If a ruby -throated…

A: Given that: Number of beats in one second =52 Since hummingbird hovers for 35.5 therefore total time…

Q: A tomato plant that is 5 inches tall when first planted in a garden grows by 50% each week during…

A:

Q: Hong drove 325 miles in 5 hours at the same rate how many miles would he drive in 11 hours?

A: Given that Hong drove 325 miles in 5 hours. We need to find that how many miles would he drive in 11…

Q: An Amtrak train traveling from Chicago to Memphis goes 540 miles in 6 hours. How fast is the train…

A: An Amtrak train travelling from Chicago to Memphis distance travelled d = 540 miles time is taken t…

Q: 2. A motorist travels for 20km at one speed, and then increased her speed by 20 kph for next 30 km.…

A:

Q: 2 cars start at the same time from 2 towns 792 kilometers apart and meet in 9hours. One car can…

A: Topic = Algebra

Q: A small plane flew 720 miles in 3 hours with the wind. Then on the return trip, flying against the…

A:

Q: on a bike ride of 72 miles. He realized that if he ha uld have arrived 8 hours sooner. How fast did…

A:

Q: An airliner flies at 510 mph in the jet stream, but only 270 mph returning against it. What is the…

A:

Q: Two cars leave Detroit, travelling in opposite directions. One travels at a speed of 80 km/hour and…

A: It is known that, the distance formula is, D = ST, where D is the distance, S is the speed and T is…

Q: A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles.…

A: Let s be the speed of plane in still air and w be the speed of wind Effective speed of plane against…

Q: Australia has a coastline of 25760km and Canada has a coastline of 202080km which country has a long…

A: Given that the Australia has a coastline of 25760 km and Canada has a coastline of 202080 km. We…

Q: A cyclist traveled 8 kilometers per hour faster than an in-line skater. In the time it took the…

A: Given :Given :Skater travels = 55 km Cyclist travels = 99 kmtime=distancespeed

Q: Two cars travel toward each other from cities that are 427 miles apart at rates of 64 mph and 58…

A:

Q: One city A, is 30 miles north and 15 miles east of another city B. At noon, an Audi car starts from…

A: Audi is travelling at a rate of 40 mph and BMW is travelling at a rate of 30 mph.

Q: Show how to measure exactly 2 liters of water from a river using a 27 liter jug and a 16 liter jug.…

A: At first, fill the 2/3 rd of the larger jug so that it contain, 27*(2/3) = 18 liters. Now if we pour…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.