What is 20% of $10 billion?
1 answer:
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X - the number of fish
8/11 of the fish have a red stripe.
16 of the fish have a red stripe.
There are 22 fish in the tank.
8/11 of the fish have a red stripe.
16 of the fish have a red stripe.
There are 22 fish in the tank.
$=(a^2-10a)-(b^2+6b) +16$
$=[(a^2-2(5)a+25)-25]-[(b^2+2(3)b+9)-9]+16$
$=(a-5)^2-25-(b+3)^2+9+16$
$=(a-5)^2-(b+3)^2$