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受欢迎的 Word Problems >

you jog 3.6 miles in 30 minutes at that rate how long will it take you to jog 4.8 miles

解答

yo u j o g 3.6 mi l es in 30 min u t es a t t ha t r a t e h o w l o n g w i ll i t t ak e yo u t o j o g 4.8 mi l es

解答

trip 2 time : 40

求解步骤

Given Time:

trip 1 : 30

Given Distance:

trip 1 : 3.6

trip 2 : 4.8

Represent the speed in terms of

x :

trip 1 : x

trip 1 Speed x Time 30 Distance 3.6

Write an equation for trip 1Distance = Speed

\cdot

Time

3.6 = x \cdot 30

求解

x, 3.6 = x \cdot 30 : x = 0.12

speed : 0.12

Represent the time in terms of

y :

trip 2 : y

trip 2 Speed 0.12 Time y Distance 4.8

Write an equation for trip 2Distance = Speed

\cdot

Time

4.8 = 0.12 y

求解

y, 4.8 = 0.12 \cdot y : y = 40

trip 2 time : 40

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