Answer:
x=1.5
Step-by-step explanation:
Whole answer would be 9
i used elimination method
9y = 18 + 7x
y = 2 + 7/9x
Just rearrange and put into that form
40 mph
40 mins to bike usually, which means he bikes 10 miles. He needs to bike at a minimum of 10 miles in 15 mins, which translates to 40 miles in an hour.
P.S. He is going to surely be late.
12
