A rectangle with sides 15 and w has perimeter

We want this quantity to be at most 50, so it must be less than or equal to 50:

For the record, this implies that

So, the width can be at most 10.
ANSWER:
$18.90
EXPLANATION:
3L of fuel for every 100km
450km = 13.5L
13.5 x 1.40 = $18.90
The slope of line T is -1/5, because perpendicular lines have opposite reciprocal slopes, meaning the opposite sign (positive or negative) and flipped (whole number becomes a fraction).
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