Tristan has a pickup truck that could carry three fifth-cord of firewood. find the number of trips needed to carry 18 cords of wood.

Can someone me do math because i am having a breakdown rn because i don’t get it

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

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 $s$?