I tried my best at it and my guess is that in standard form is 0.00086
Answer:
-4??
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
<2,14> thats the answer its complicated but i got it after the 2nd try