vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

A hot air balloon travels 18 miles in 3 hours. At this rate, how many miles will the hot air balloon travel in 3/4 hour?

Lời Giải

A h o t ai r ba ll oo n t r a v e l s 18 mi l es in 3 h o u rs . A t t hi s r a t e, h o w man y mi l es w i ll t h e h o t ai r ba ll oo n t r a v e l in \frac{3}{4} h o u r ?

Lời Giải

trip 2 distance : 4.5

Các bước giải pháp

Given Time:

trip 1 : 3

trip 2 : \frac{3}{4}

Given Distance:

trip 1 : 18

Represent the speed in terms of

x :

trip 1 : x

trip 1 Speed x Time 3 Distance 18

Write an equation for trip 1Distance = Speed

\cdot

Time

18 = x \cdot 3

Giải

x, 18 = x \cdot 3 : x = 6

speed : 6

Represent the distance in terms of

y :

trip 2 : y

trip 2 Speed 6 Time \frac{3}{4} Distance y

Write an equation for trip 2Distance = Speed

\cdot

Time

y = 6 \cdot \frac{3}{4}

Giải

y, y = 6 \cdot \frac{3}{4} : y = \frac{9}{2}

\frac{9}{2} = 4.5

trip 2 distance : 4.5

Ví dụ phổ biến

The speed of the log boat is 15 km per hour. How far will it go in 6 hours?jet travels 520 miles in 5 hours. At this rate, how far could the jet fly hours? What is the rate of speed of the jet?Patty walked her dog 1/2 mile in 10 minutes. At this rate, how many miles would she walk her dog in 50 minutes?6700 dollars is placed in an account with an annual interest rate of 8%. How much will be in the account after 24 years, to the nearest cent juilo invest 15,000 in a savings that pays %1.5 how much will be in the account after 5 years if julio makes no withdraws or deposits