Question

A plane traveling at a constant speed flew over

Answer 1

Answer:

1. Its constant speed is 550 miles per hour.

2. Time taken to fly from Albuquerque to Phoenix is $\frac{3}{5}$ hours (36 minutes).

Step-by-step explanation:

Speed = $\frac{distance}{time}$

a. Its speed from Pittsburgh to Saint Louis can be calculated by;

speed = $\frac{550}{1}$

           = 550 miles/hour

b. Its speed from Saint Louis to Albuquerque can be determined by;

42 minutes = $\frac{42}{60}$ hours

                   = $\frac{7}{10}$ hours

so that time taken = 1$\frac{7}{10}$ hours

speed = $\frac{935}{1\frac{7}{10} }$

          = $\frac{9350}{17}$

          = 550 miles/hour

c. From Albuquerque to Phoenix, let the time be represented by t. We have;

speed = $\frac{330}{t}$

since the speed is constant, then'

550 = $\frac{330}{t}$

⇒ t = $\frac{330}{550}$

      = $\frac{3}{5}$

Thus, time taken to fly from Albuquerque to Phoenix is $\frac{3}{5}$ hours (36 minutes).