When mr. peters drives from boston to worcester it takes him 30 minutes travelling at a speed of 60 miles per hour. mrs. peters drives from boston to worcester and leaves 5 minutes after mr. peters but travels at a speed of 90 miles per hour. who will arrive first? by how many minutes?

Mrs. Peter arrives 5 minutes before Mr. Peter

To find who arrives first we first need to find the speed and time they require to arrive.

Given : From Boston to Worcester

            Mr. Peter takes

            Mrs. Peter takes

We will now calculate Mr. Peters speed,

To find the distance, we will use distance formula

Here,given that the Mr Peters speed is and time is so by distance formula we will find distance of Mr. Peter

Similarly, we will now calculate Mrs. Peters speed,

by the given informations we know both covers the same distance

we will now find distance of Mrs. Peter

Here, we know that Mrs.Peter leaves from Boston to Worcester 5 minutes after Mr.Peter so we will add 5 minutes to Mrs. Peters time.

Therefore, it is clear that Mrs.Peter arrive before Mr Peter by 5minutes.

Learn more about Distance formula here: link

use formula for the circle a=3.14

step-by-step explanation: