If there are 12 items adding up to 60%, we want to know how many items more it will take to equal 100% So set up this equation 12/x = .6 then solve for x. x=12/.6 x = 20 now that we know the total you can subtract 12 from 20 and get 8, that is the number of items left on the list.
Answer:
x=-11
Step-by-step explanation:
Divide both sides by -7, and you get -11
Answer:
yes
Step-by-step explanation:
from sss axiom
we can say that they are congurqnt