Answer: The first one
Step-by-step explanation:
Let no red ribbons=x
no. Of blue ribbons=x+3
No. Of yellow ribb9ns=x+7
Totsl ribbons=28
28=x+x+3+x+7
28=3x+10
3x=28-10
3x=18
X=18/3
X=6
No .of red ribbons=6
No. Of blue ribbons=x+3=9
No. Of yellow ribbons=x+7=13
4/15, 5/9 and 3/5.
Hope this helps! :)
33% is 12.87$ is your amount of discount
39-12.87= 26.13$ is your sale price