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פּוֹפּוּלָרִי Word Problems >

Two hikers are 33 miles apart and walking toward each other. They meet in 5 hours. Find the rate of each hiker if one hiker walks 2.2 mph faster than the other.

פתרון

Tw o hik ers a re 33 mi l es a p a r t an d w a l kin g t o w a r d e a c h o t h er . T h ey m ee t in 5 h o u rs . F in d t h e r a t e o f e a c h hik er i f o n e hik er w a l k s 2.2 m p h f a s t er t han t h e o t h er .

פתרון

first hike r^{'} s speed : 4.4

second hike r^{'} s speed : 2.2

צעדי פתרון

Translate the problem into an equation:

x \cdot 5 + (x - 2.2) \cdot 5 = 33

x \cdot 5 + (x - 2.2) \cdot 5 = 33, x

פתור בשביל:

x = \frac{22}{5}

speed מצא את

first hike r^{'} s speed : 4.4

second hike r^{'} s speed : 2.2

דוגמאות פופולריות

One number is 2 more than 3 times another. Their sum is 22. Find the numbers.he sum of two consecutive even integers is 74 . What are the two numbers?Five times the sum of a number and 4 equals 7 the sum of twice a number and 10 is 36 the sum of a number times 2 and 25 is at most-21.