Question

The Dalton City subway slowed down as it approached its final destination. This situation can be modeled as a linear relationship. Time slowing (seconds) Complete the statement that describes the situation. _ The subway was going miles per hour before it started slowing. As it approached _ its final destination, the subway's speed decreased miles per hour every second. SHOW LESS

Answer 1

The subway was going 18 miles per hour before it started slowing. As it approached its final destination, the subway's speed decreased 3 miles per hour every second.

How to calculate the rate of decrease of speed of Dalton City subway?

To calculate the rate of decrease of speed of Dalton City subway, the following steps should be taken as follows:

The initial speed of the Dalton City subway = 18 miles per hour.

From the graph,

Speed decreased to 15 miles per hour after one second.

Therefore, the rate of decrease of speed of Dalton City subway,

= 18-15 = 3 miles per hour every second.