Mai ran 1/4 of the length of her road, which is 9 miles long. How long did Mai run?

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 $s$?

Which strategy is used by public health to reduce the incidence of food poisoning?

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2