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Phổ biến Word Problems >

Marissa drives for 3hours at 60km per hour. Maricel drives 260kilometers in 4hours. How far would Marissa travel if she drove for 3hours at the same speed as Maricel

Lời Giải

M a r i ss a d r i v es f or 3 h o u rs a t 60 km p er h o u r . M a r i ce l d r i v es 260 ki l o m e t ers in 4 h o u rs . Ho w f a r w o u l d M a r i ss a t r a v e l i f s h e d ro v e f or 3 h o u rs a t t h e s am e s p ee d a s M a r i ce l

Lời Giải

trip 2 distance : 195

Các bước giải pháp

Given Time:

trip 1 : 4

trip 2 : 3

Given Distance:

trip 1 : 260

Represent the speed in terms of

x :

trip 1 : x

trip 1 Speed x Time 4 Distance 260

Write an equation for trip 1Distance = Speed

\cdot

Time

260 = x \cdot 4

Giải

x, 260 = x \cdot 4 : x = 65

speed : 65

Represent the distance in terms of

y :

trip 2 : y

trip 2 Speed 65 Time 3 Distance y

Write an equation for trip 2Distance = Speed

\cdot

Time

y = 65 \cdot 3

Giải

y, y = 65 \cdot 3 : y = 195

trip 2 distance : 195

Ví dụ phổ biến

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