Answer:
-5
Step-by-step explanation:
Pedro can ride his bike at 28 miles per hour
It is 50% because it is half of the total
Answer:
The answer is A.
Step-by-step explanation:
So we have the two equations:
To make a substitution of the second equation into the first equation, we need to isolate the <em>y </em>variable in the second equation. Thus:
Now, we can substitute this into the first equation. Therefore: