Answer:
f=−2x+8/5
Step-by-step explanation:
I think it would be each girl scored 2 points, and each boy only scored one. :)
new price= $2.40
20%= 20/100= 1/5
$3.00/5= 00.60
1/5 of the price is being subtracted from $3.00
$00.60 is 1/5
3.00-.60= 2.40
R' = (-2,0)
E' = (-2,2)
F' = (4,4)