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شائع Word Problems >

Lisa hikes 9 miles in 2 hours. At this rate how far does she hike in 16 hours?

الحلّ

L i s a hik es 9 mi l es in 2 h o u rs . A t t hi s r a t e h o w f a r d oes s h e hik e in 16 h o u rs ?

الحلّ

trip 2 distance : 72

خطوات الحلّ

Given Time:

trip 1 : 2

trip 2 : 16

Given Distance:

trip 1 : 9

Represent the speed in terms of

x :

trip 1 : x

trip 1 Speed x Time 2 Distance 9

Write an equation for trip 1Distance = Speed

\cdot

Time

9 = x \cdot 2

9 = x \cdot 2, x

حلّ لـ:

x = \frac{9}{2}

speed : \frac{9}{2}

Represent the distance in terms of

y :

trip 2 : y

trip 2 Speed \frac{9}{2} Time 16 Distance y

Write an equation for trip 2Distance = Speed

\cdot

Time

y = \frac{9}{2} \cdot 16

y = \frac{9}{2} \cdot 16, y

حلّ لـ:

y = 72

trip 2 distance : 72

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