Answer:
PLEASE GIVE BRAINLIEST AND THANKS
700mg
Step-by-step explanation:
560 divided by 80= 7
7 x 100=700mg
12
2x=2-9
21y=4-6x
2x=-7
6x=4-21y
x=-7/2
6(-7/2)=4-21y
-21=4-21y
-21-4=-21y
-25=-21y
y=-25/-21
:.y=1 4/21.