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شائع Word Problems >

A train travels 300 kilometers in 3 hours. If it maintains a constant speed, how far will it travel in 5 hours?

الحلّ

A t r ain t r a v e l s 300 ki l o m e t ers in 3 h o u rs . I f i t main t ain s a co n s t an t s p ee d, h o w f a r w i ll i t t r a v e l in 5 h o u rs ?

الحلّ

trip 2 distance : 500

خطوات الحلّ

Given Time:

trip 1 : 3

trip 2 : 5

Given Distance:

trip 1 : 300

Represent the speed in terms of

x :

trip 1 : x

trip 1 Speed x Time 3 Distance 300

Write an equation for trip 1Distance = Speed

\cdot

Time

300 = x \cdot 3

300 = x \cdot 3, x

حلّ لـ:

x = 100

speed : 100

Represent the distance in terms of

y :

trip 2 : y

trip 2 Speed 100 Time 5 Distance y

Write an equation for trip 2Distance = Speed

\cdot

Time

y = 100 \cdot 5

y = 100 \cdot 5, y

حلّ لـ:

y = 500

trip 2 distance : 500

أمثلة شائعة

9 decreased by 4 times a number twice the difference of a number and 6 equals 8 11 less than the product of four and a number The diameter of a circle is 4 kilometers. What is the area?Seven more than the quotient of a number and 2 equals 3 .