zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

Two buses leave towns 1206 kilometers apart at the same time and travel toward each other. One bus travels 15 km/h slower than the other. If they meet in 6 hours, what is the rate of each bus?

解答

Tw o b u ses l e a v e t o w n s 1206 ki l o m e t ers a p a r t a t t h e s am e t im e an d t r a v e l t o w a r d e a c h o t h er . O n e b u s t r a v e l s 15 km / h s l o w er t han t h e o t h er . I f t h ey m ee t in 6 h o u rs, w ha t i s t h e r a t e o f e a c h b u s ?

解答

first bu s^{'} s speed : 93

second bu s^{'} s speed : 108

求解步骤

Translate the problem into an equation:

x \cdot 6 + (x + 15) \cdot 6 = 1206

求解

x, x \cdot 6 + (x + 15) \cdot 6 = 1206 : x = 93

找到 speed

first bu s^{'} s speed : 93

second bu s^{'} s speed : 108

流行的例子

Hank's age is 5 more than three times John's age. Hank is 29 years old. How old is John?The 周长 of a circle is 7pipi m. Find its diameter, in meters.The radius of a circle is 15.9 in. Find the 周长 and round to the nearest tenth Glenn is 3 times as old as Chase. Seven years ago, Glenn was 5 times as old as Chase. How old are Glenn and Chase Now?What is the volume of a sphere with a 半径 of 2.6 ft, rounded to the nearest tenth of a cubic foot?