ja

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

人気のある Word Problems >

Two hikers, Alan and Ben, are 21 miles apart and walking towards each other. They meet in 6 hours. Find the rate of each hiker if Ben walks 0.3 mph faster than Alan.

解

Tw o ​ hik ers, A l an an d ​ B e n, a re 21 mi l es a p a r t an d w a l kin g t o w a r d s e a c h o t h er . T h ey m ee t in 6 h o u rs . F in d t h e r a t e o f e a c h hik er i f B e n w a l k s 0.3 m p h f a s t er t han A l an .

解

first hike r^{'} s speed : 1.9

second hike r^{'} s speed : 1.6

解答ステップ

Translate the problem into an equation:

x \cdot 6 + (x - 0.3) \cdot 6 = 21

x

を解く

x \cdot 6 + (x - 0.3) \cdot 6 = 21 : x = 1.9

発見する speed

first hike r^{'} s speed : 1.9

second hike r^{'} s speed : 1.6

人気の例

If 800 is invested at an interest rate of 3.75% per year, compounded quarterly, find the value of the investment after 2 years negative three times a number plus four is no more than the number minus eight Margaret invested 2000 at an annual interest rate of 4%, compounded continuously. If she does not make any withdrawals or deposits, approximately how much money will she have after 5 years?75% of what number is 30 The radius of a quarter 円 is 1 inch. What is the quarter 円's area?