Answer:
c = 9
Step-by-step explanation:
You're looking for a number so that when you use that number in place of x, you end up with 20.
f(x) = 3x - 7
f(c) = 3c - 7
20 = 3c - 7
Add 7
27 = 3c
Divide by 3
9 = c
Yes this is so easy just ask your find and that’s the answer
30% of the chairs are red. 75/250 x x/100
Answer=$3.20
8%=0.08
$40.00*0.08=$3.20
The markup was $3.20
(3, 5pi/3) = (3cos 5pi/3, 3sin 5pi/3) = (1.5, -2.6)
