Arianna went running for 0.75 hours and ran 5.55 miles. What was her speed, in miles per hour, if Arianna
1 answer:
You might be interested in
Let's build the equation counting how many x's and 1's are there on each side.
On the left hand side we have 5x's and 8 1's, for a total of
On the left hand side we have 3x's and 10 1's, for a total of
So, the equation we want to solve is
Subtract 3x from both sides:
Subtract 8 from both sides:
Divide both sides by 2: