Answer:
The equation would be y = x + 5, in which x is the number of weeks and y is the number of books he has.
Step-by-step explanation:
We know this because even at 0 weeks, he still has 5 books. Therefore we put this as the constant at the end. Then we can add the number of weeks since the rate is one book per week.
First, you multiply 0.7 and 60. 60 will be the minutes that equal one hour.
Finally, we can see that elephant can run up to 42 kilometers per hour. hope this helps!
The correct answer is 8 in