C. 5/6
30 people with soda + 45 people with lemonade = 75/90 people
simplifies to 5/6.
The linear equation is
and John rode the scooter for
minutes.
Fee to start the scooter
$
.
Fee to ride per minute
cents
$
.
Total bill
$
.
Let
be the minutes for which he rides the scooter.
The linear equation is formed as:



minutes.
So, John rode the scooter for
minutes.
Learn more about linear equation here:
brainly.com/question/24794429?referrer=searchResults
By minusing 12 to both sides
d+12=2
-12=-12
d =-10