vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

Two buses leave towns 1365 kilometers apart at the same time and travel toward each other. One bus travels 17km per hour slower than the other. If they meet in 7 hours, what is the rate of each bus?

Lời Giải

Tw o b u ses l e a v e t o w n s 1365 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 17 km p er h o u r s l o w er t han t h e o t h er . I f t h ey m ee t in 7 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 ?

Lời Giải

first bu s^{'} s speed : 89

second bu s^{'} s speed : 106

Các bước giải pháp

Translate the problem into an equation:

x \cdot 7 + (x + 17) \cdot 7 = 1365

Giải

x, x \cdot 7 + (x + 17) \cdot 7 = 1365 : x = 89

Tìm speed

first bu s^{'} s speed : 89

second bu s^{'} s speed : 106

Ví dụ phổ biến

Elizabeth is 7 years older than her sister Lauren. Five years ago, Elizabeth was twice:Lauren's age. How old is Lauren now?When 5 more than 2 lots of a number is tripled the result is 10 .Find four consecutive odd integers such that 6 times the sum of the first and the third is3 more than 5 times the opposite of the fourth.Dasha is 5 years older than Alex.The sum of their ages is 35. How old are Dasha and Alex the radius of a circle is 5cm. Find its chu vi in terms of pi