pt

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

A plane can fly 480 miles in the same time as it takes a car to go 180 miles. If the car travels 100 mph slower than the plane, find the speed of the plane.

Solução

A pl an e c an f l y 480 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 180 mi l es . I f t h e c a r t r a v e l s 100 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 .

Solução

plan e^{'} s speed : 160

Passos da solução

Translate the problem into an equation:

\frac{480}{x} = \frac{180}{x - 100}

Resolver para

x, \frac{480}{x} = \frac{180}{x - 100} : x = 160

plan e^{'} s speed : 160

Exemplos populares

Find the final value if 5500 is invested for 4 years at 7.5% p.a luna sold her surfboard for 75 making a loss of 20% what was the original cost price Find the future value and interest earned if 8706.54 is invested for 7 years at 6% compounded semiannually The circunferência of a circle is 17pi in. What is the area, in square inches? Express your answer in terms of pipi.Find two consecutive whole numbers that \sqrt[3]{150} lies between.