Answer:

Step-by-step explanation:
we know that
30 and one-third miles is equal to

one-third of an hour is equal to

Applying proportion

Convert to mixed number

%change=100(final-initial)/initial
%change=100(25-40)/40=-37.5%
So Denise received a discount of 37.5% off the regular price.
Answer:
$2000
Step-by-step explanation:
the profit would be determined by how many computers are involved, so that would vary