Answer:
Cost of one doughnut = $1.25
Step-by-step explanation:
Doughnut Cost
3 3.75
1 x

6+2/3% <--- Given
(6+2/3)/100 <--- Definition of percent
(20/3)/100 <--- Putting the top into an improper fraction
20/300 <--- Dividing the fractions
1/15 <--- Simplifying the fraction
Hope this helps!
Answer:
idk
Step-by-step explanation:
suppose the three sides are 2x, 6x, and 7x in length.
2x+6x+7x+195
15x=195
x=195/15=13
the longest side is 7*13=91 meters
This will be a little complex number...
assume 35 years ago, it cost x dollars
for now: x×

=25.25
solve it! :) maybe too difficult without a calculator