Answer:
765.45 grams
Step-by-step explanation:
Using the hint that they gave us, we would do 27 * 28.35.
That would equate to 765.45 grams.
If your looking for Standard Form Rewrite it as...
Y+4= x blue bikes
G-2= x yellow bikes
4y+4= 8 blue bikes
4y+2= 6 green bikes
4y= 4 yellow bikes
8 blue bikes
+
6 green bikes
+
4 yellow bikes
=
18 bikes total