My answer was wrong, please delete this
A. 20
Sims angles C and B are each 80 degrees, angle A must be 20 degrees
Answer:
25/4 75/8
25/4= 6.25
and 75/8= 9.375
and 9.375/6.25 = 1.5
Step-by-step explanation:
The amount of decrease is $12.00 :$72.00 - $60.00 = $12.00
you then divide the amount of decrease by the original price to find the percent decrease:
$12.00 ÷ $72.00 = .166666... = 16.7%
You got the b part wrong. It would be 4B+4C/2=4D