What is 0.008 as a fraction

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?

How do i put 3(x+7) in distributive property

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is