3/7 - 2/5 =
15/35 - 14/35 =
1/35 <==
unit rate of speed is 0.27 miles per minute .
<u>Step-by-step explanation:</u>
Here we have , it took marjorie 15 minutes to drive from her house to her daughter's school. If the school was 4 miles away from her house, We need to find what was her unit rate of speed . Let's find out:
We know that , ...........(1)
According to question we have following parameters as :
Putting these value in equation (1) we get:
⇒
⇒
⇒
⇒
Therefore , unit rate of speed is 0.27 miles per minute .
-2 degrees Celsius and -2 degrees celcius
thanks so much for the points