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פּוֹפּוּלָרִי Word Problems >

plane can fly 1020 miles in the same time as it takes a car to go 360 miles. If the car travels 110 mph slower than the plane, find the speed of the plane.

פתרון

pl an e c an f l y 1020 mi l es in t h e s am e t im e a s i t t ak es a c a r t o g o 360 mi l es . I f t h e c a r t r a v e l s 110 m p h s l o w er t han t h e pl an e, f in d t h e s p ee d o f t h e pl an e .

פתרון

plan e^{'} s speed : 170

צעדי פתרון

Translate the problem into an equation:

\frac{1020}{x} = \frac{360}{x - 110}

\frac{1020}{x} = \frac{360}{x - 110}, x

פתור בשביל:

x = 170

plan e^{'} s speed : 170

דוגמאות פופולריות

The difference between two positive numbers is 7 and the square of their sum is 289 . Find the two numbers.Train A and Train B are traveling in completely opposite directions. Train A is going 100 km per hour. Train B is going 200 km per hour. How long will it take them to be 900 km apart from each other?three more than twice a number is nine The product of 7 and a number, increased by 3 is equal to twice the number, subtracted from 39 Find the number.Twice a number is at least 15