Answer:
f = 1
Step-by-step explanation:
Cross multiply.
f (20) = 5 (f + 3)
20f = 5 (f+3)
20f = 5 (f ) + 5 (3)
20f = 5f + 15
-5f - 5f
15f = 15
15f/15 = 15/15
f = 15/15
.75
Not sure
you can plug it into a graphing calcuator right? or no
1/4
-1/2 (2/2) -> -2/4
-2/4 + 3/4 = 1/4
15 cents
Okay and what do you need to find??
Answer: C
Step by step explanation-
